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131030024444 = 2211219371093533
BaseRepresentation
bin111101000000111111…
…1111000000011111100
3110112012201002220112022
41322001333320003330
54121322141240234
6140105552055312
712316021555034
oct1720177700374
9415181086468
10131030024444
115062a03a800
1221489834538
13c4823c4b57
1464b01d08c4
15361d4c5e2e
hex1e81ff80fc

131030024444 has 144 divisors (see below), whose sum is σ = 275056874400. Its totient is φ = 54380367360.

The previous prime is 131030024443. The next prime is 131030024459. The reversal of 131030024444 is 444420030131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030024441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37085702 + ... + 37089234.

Almost surely, 2131030024444 is an apocalyptic number.

It is an amenable number.

131030024444 is an abundant number, since it is smaller than the sum of its proper divisors (144026849956).

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

131030024444 is a wasteful number, since it uses less digits than its factorization.

131030024444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 131030024444 its reverse (444420030131), we get a palindrome (575450054575).

The spelling of 131030024444 in words is "one hundred thirty-one billion, thirty million, twenty-four thousand, four hundred forty-four".

Divisors: 1 2 4 11 19 22 37 38 44 74 76 109 121 148 209 218 242 407 418 436 484 703 814 836 1199 1406 1628 2071 2299 2398 2812 3533 4033 4142 4477 4598 4796 7066 7733 8066 8284 8954 9196 13189 14132 15466 16132 17908 22781 26378 30932 38863 44363 45562 52756 67127 76627 77726 85063 88726 91124 130721 134254 153254 155452 170126 177452 250591 261442 268508 306508 340252 385097 427493 487993 501182 522884 738397 770194 842897 854986 975986 1002364 1437931 1476794 1540388 1685794 1709972 1951972 2483699 2875862 2953588 3371588 4236067 4967398 5751724 7316843 8122367 8472134 9271867 9934796 14248589 14633686 15817241 16244734 16944268 18543734 27320689 28497178 29267372 31634482 32489468 37087468 46596737 54641378 56994356 63268964 80485273 93193474 109282756 156734479 160970546 186386948 270723191 300527579 313468958 321941092 541446382 601055158 626937916 885338003 1082892764 1202110316 1724079269 1770676006 2977955101 3448158538 3541352012 5955910202 6896317076 11911820404 32757506111 65515012222 131030024444