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72182715072 = 2631329999643
BaseRepresentation
bin100001100111001101…
…1001101001011000000
320220022112111212001120
41003032123031023000
52140312233340242
653054342032240
75133516645306
oct1031633151300
9226275455046
1072182715072
1128681296226
1211ba5a18680
136a64706630
1436ca874276
151d270661ec
hex10ce6cd2c0

72182715072 has 112 divisors (see below), whose sum is σ = 205764384000. Its totient is φ = 22200357888.

The previous prime is 72182715053. The next prime is 72182715133. The reversal of 72182715072 is 27051728127.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7480683 + ... + 7490325.

It is an arithmetic number, because the mean of its divisors is an integer number (1837182000).

Almost surely, 272182715072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72182715072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102882192000).

72182715072 is an abundant number, since it is smaller than the sum of its proper divisors (133581668928).

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

72182715072 is a wasteful number, since it uses less digits than its factorization.

72182715072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12670 (or 12660 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 42.

The spelling of 72182715072 in words is "seventy-two billion, one hundred eighty-two million, seven hundred fifteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 2999 5998 8997 9643 11996 17994 19286 23992 28929 35988 38572 38987 47984 57858 71976 77144 77974 95968 115716 116961 125359 143952 154288 155948 191936 231432 233922 250718 287904 308576 311896 376077 462864 467844 501436 575808 617152 623792 752154 925728 935688 1002872 1247584 1504308 1851456 1871376 2005744 2495168 3008616 3742752 4011488 6017232 7485504 8022976 12034464 24068928 28919357 57838714 86758071 115677428 173516142 231354856 347032284 375951641 462709712 694064568 751903282 925419424 1127854923 1388129136 1503806564 1850838848 2255709846 2776258272 3007613128 4511419692 5552516544 6015226256 9022839384 12030452512 18045678768 24060905024 36091357536 72182715072