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102101120200987 = 19461160122073299
BaseRepresentation
bin10111001101110001000101…
…000000000011000100011011
3111101111202211121122211100221
4113031301011000003010123
5101340311043232412422
61001052335044340511
730335363640156025
oct2715610500030433
9441452747584327
10102101120200987
112a5949296456a6
12b54ba6a6a4737
1344c812c2c146b
141b2da133dd015
15bc0d4000d3c7
hex5cdc4500311b

102101120200987 has 32 divisors (see below), whose sum is σ = 107856790272000. Its totient is φ = 96384340224000.

The previous prime is 102101120200927. The next prime is 102101120201021. The reversal of 102101120200987 is 789002021101201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102101120200987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101120200927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30949110264 + ... + 30949113562.

It is an arithmetic number, because the mean of its divisors is an integer number (3370524696000).

Almost surely, 2102101120200987 is an apocalyptic number.

102101120200987 is a deficient number, since it is larger than the sum of its proper divisors (5755670071013).

102101120200987 is a wasteful number, since it uses less digits than its factorization.

102101120200987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 102101120200987 in words is "one hundred two trillion, one hundred one billion, one hundred twenty million, two hundred thousand, nine hundred eighty-seven".

Divisors: 1 19 461 1601 2207 3299 8759 30419 41933 62681 738061 1017427 1520839 3533407 5281699 7280893 14023159 19331113 28895941 67134733 100352281 138336967 1628900627 2434863239 3356491673 11656709693 30949111913 46262401541 63773341787 221477484167 5373743168473 102101120200987