Search a number
-
+
37982180018004 = 22317231379548549
BaseRepresentation
bin10001010001011011010100…
…10110010000011101010100
311222111001122102122021121020
420220231222112100131110
514434300001041034004
6212440434515121140
711000056554145245
oct1050555226203524
9158431572567536
1037982180018004
1111114174477042
12431524b2a31b0
1318269201b1c61
149544c109cccc
1545d00c5948d9
hex228b6a590754

37982180018004 has 144 divisors (see below), whose sum is σ = 99808472332800. Its totient is φ = 11219925841920.

The previous prime is 37982180017993. The next prime is 37982180018017. The reversal of 37982180018004 is 40081008128973.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796479 + ... + 8752070.

It is an arithmetic number, because the mean of its divisors is an integer number (693114391200).

Almost surely, 237982180018004 is an apocalyptic number.

37982180018004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37982180018004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49904236166400).

37982180018004 is an abundant number, since it is smaller than the sum of its proper divisors (61826292314796).

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

37982180018004 is a wasteful number, since it uses less digits than its factorization.

37982180018004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548658 (or 9548639 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 37982180018004 in words is "thirty-seven trillion, nine hundred eighty-two billion, one hundred eighty million, eighteen thousand, four".

Divisors: 1 2 3 4 6 12 17 31 34 37 51 62 68 74 93 102 111 124 148 186 204 222 289 372 444 527 578 629 867 1054 1147 1156 1258 1581 1734 1887 2108 2294 2516 3162 3441 3468 3774 4588 6324 6882 7548 8959 10693 13764 17918 19499 21386 26877 32079 35836 38998 42772 53754 58497 64158 77996 107508 116994 128316 233988 331483 662966 994449 1325932 1988898 3977796 9548549 19097098 28645647 38194196 57291294 114582588 162325333 296005019 324650666 353296313 486975999 592010038 649301332 706592626 888015057 973951998 1059888939 1184020076 1413185252 1776030114 1947903996 2119777878 2759530661 3552060228 4239555756 5032085323 5519061322 6006037321 8278591983 10064170646 10952185703 11038122644 12012074642 15096255969 16557183966 18018111963 20128341292 21904371406 24024149284 30192511938 32856557109 33114367932 36036223926 43808742812 60385023876 65713114218 72072447852 85545450491 102102634457 131426228436 171090900982 186187156951 204205268914 256636351473 306307903371 342181801964 372374313902 408410537828 513272702946 558561470853 612615806742 744748627804 1026545405892 1117122941706 1225231613484 2234245883412 3165181668167 6330363336334 9495545004501 12660726672668 18991090009002 37982180018004