Search a number
-
+
155131530550352 = 24537183173179441
BaseRepresentation
bin100011010001011101011111…
…110001011001110001010000
3202100021102121002112011211122
4203101131133301121301100
5130313133333310102402
61305534235152501412
744450611641561026
oct4321353761316120
9670242532464748
10155131530550352
114547aa047a7aa4
121549564384a868
136873ac09325a5
142a44598644716
1512e04d9045ca2
hex8d175fc59c50

155131530550352 has 160 divisors (see below), whose sum is σ = 316111711055616. Its totient is φ = 73697529651200.

The previous prime is 155131530550351. The next prime is 155131530550369. The reversal of 155131530550352 is 253055035131551.

155131530550352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1551315305503523 (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155131530550351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864436952 + ... + 864616392.

Almost surely, 2155131530550352 is an apocalyptic number.

It is an amenable number.

155131530550352 is an abundant number, since it is smaller than the sum of its proper divisors (160980180505264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155131530550352 is a wasteful number, since it uses less digits than its factorization.

155131530550352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179829 (or 179823 counting only the distinct ones).

The product of its (nonzero) digits is 843750, while the sum is 44.

The spelling of 155131530550352 in words is "one hundred fifty-five trillion, one hundred thirty-one billion, five hundred thirty million, five hundred fifty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 53 71 83 106 142 166 173 212 284 332 346 424 568 664 692 848 1136 1328 1384 2768 3763 4399 5893 7526 8798 9169 11786 12283 14359 15052 17596 18338 23572 24566 28718 30104 35192 36676 47144 49132 57436 60208 70384 73352 94288 98264 114872 146704 179441 196528 229744 312329 358882 624658 650999 717764 761027 1019489 1249316 1301998 1435528 1522054 2038978 2498632 2603996 2871056 3044108 4077956 4997264 5207992 6088216 8155912 9510373 10415984 12176432 12740311 14893603 16311824 19020746 25480622 29787206 31043293 38041492 50961244 54032917 59574412 62086586 76082984 101922488 108065834 119148824 124173172 152165968 203844976 216131668 238297648 248346344 432263336 496692688 675236483 789360959 864526672 1057445813 1350472966 1578721918 1645294529 2114891626 2204073803 2576593319 2700945932 3157443836 3290589058 4229783252 4408147606 5153186638 5401891864 6314887672 6581178116 8459566504 8816295212 10306373276 10803783728 12629775344 13162356232 16919133008 17632590424 20612746552 26324712464 35265180848 41225493104 56044628089 112089256178 116815911559 136559445907 182938125649 224178512356 233631823118 273118891814 365876251298 448357024712 467263646236 546237783628 731752502596 896714049424 934527292472 1092475567256 1463505005192 1869054584944 2184951134512 2927010010384 9695720659397 19391441318794 38782882637588 77565765275176 155131530550352