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104815652640 = 2535281777103
BaseRepresentation
bin110000110011101111…
…1111110111100100000
3101000112210010211202220
41201213133332330200
53204130301341030
6120052431111040
710400300230056
oct1414737767440
9330483124686
10104815652640
11404a7781216
1218392672480
139b6540474a
1451048561d6
152ad6dc9a10
hex18677fef20

104815652640 has 96 divisors (see below), whose sum is σ = 331344711936. Its totient is φ = 27851335680.

The previous prime is 104815652633. The next prime is 104815652657. The reversal of 104815652640 is 46256518401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 104815652592 and 104815652601.

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, 253672 + ... + 523431.

It is an arithmetic number, because the mean of its divisors is an integer number (3451507416).

Almost surely, 2104815652640 is an apocalyptic number.

104815652640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104815652640 is an abundant number, since it is smaller than the sum of its proper divisors (226529059296).

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

104815652640 is a wasteful number, since it uses less digits than its factorization.

104815652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777402 (or 777394 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 104815652640 in words is "one hundred four billion, eight hundred fifteen million, six hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 281 480 562 843 1124 1405 1686 2248 2810 3372 4215 4496 5620 6744 8430 8992 11240 13488 16860 22480 26976 33720 44960 67440 134880 777103 1554206 2331309 3108412 3885515 4662618 6216824 7771030 9325236 11656545 12433648 15542060 18650472 23313090 24867296 31084120 37300944 46626180 62168240 74601888 93252360 124336480 186504720 218365943 373009440 436731886 655097829 873463772 1091829715 1310195658 1746927544 2183659430 2620391316 3275489145 3493855088 4367318860 5240782632 6550978290 6987710176 8734637720 10481565264 13101956580 17469275440 20963130528 26203913160 34938550880 52407826320 104815652640