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102188099712 = 2731573175347
BaseRepresentation
bin101111100101011100…
…0101010100010000000
3100202202122221022202210
41133022320222202000
53133240123142322
6114540005342120
710245213341646
oct1371270524200
9322678838683
10102188099712
113a379577876
121797a707940
139836c355ba
144d358c1196
1529d13a570c
hex17cae2a880

102188099712 has 128 divisors (see below), whose sum is σ = 274079010240. Its totient is φ = 33732661248.

The previous prime is 102188099701. The next prime is 102188099723. The reversal of 102188099712 is 217990881201.

It is an interprime number because it is at equal distance from previous prime (102188099701) and next prime (102188099723).

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 19108623 + ... + 19113969.

Almost surely, 2102188099712 is an apocalyptic number.

102188099712 is a gapful number since it is divisible by the number (12) 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 102188099712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137039505120).

102188099712 is an abundant number, since it is smaller than the sum of its proper divisors (171890910528).

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

102188099712 is a wasteful number, since it uses less digits than its factorization.

102188099712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838 (or 5826 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 48.

The spelling of 102188099712 in words is "one hundred two billion, one hundred eighty-eight million, ninety-nine thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 157 192 314 317 384 471 628 634 942 951 1256 1268 1884 1902 2512 2536 3768 3804 5024 5072 5347 7536 7608 10048 10144 10694 15072 15216 16041 20096 20288 21388 30144 30432 32082 40576 42776 49769 60288 60864 64164 85552 99538 121728 128328 149307 171104 199076 256656 298614 342208 398152 513312 597228 684416 796304 839479 1026624 1194456 1592608 1678958 1694999 2053248 2388912 2518437 3185216 3357916 3389998 4777824 5036874 5084997 6370432 6715832 6779996 9555648 10073748 10169994 13431664 13559992 19111296 20147496 20339988 26863328 27119984 40294992 40679976 53726656 54239968 80589984 81359952 107453312 108479936 161179968 162719904 216959872 266114843 322359936 325439808 532229686 650879616 798344529 1064459372 1596689058 2128918744 3193378116 4257837488 6386756232 8515674976 12773512464 17031349952 25547024928 34062699904 51094049856 102188099712