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15557130102 = 233121830777
BaseRepresentation
bin11100111110100011…
…01111011101110110
31111011012111002111210
432133101233131312
5223330111130402
611051415142250
71060343265303
oct163721573566
944135432453
1015557130102
11666365a118
123022074986
13160c0b4a37
14a7820c0aa
15610bb506c
hex39f46f776

15557130102 has 16 divisors (see below), whose sum is σ = 31124266992. Its totient is φ = 5184042240.

The previous prime is 15557130079. The next prime is 15557130109. The reversal of 15557130102 is 20103175551.

It is a self number, because there is not a number n which added to its sum of digits gives 15557130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15557130109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396663 + ... + 434114.

It is an arithmetic number, because the mean of its divisors is an integer number (1945266687).

Almost surely, 215557130102 is an apocalyptic number.

15557130102 is an abundant number, since it is smaller than the sum of its proper divisors (15567136890).

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

15557130102 is a wasteful number, since it uses less digits than its factorization.

15557130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833903.

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 15557130102 in words is "fifteen billion, five hundred fifty-seven million, one hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 3121 6242 9363 18726 830777 1661554 2492331 4984662 2592855017 5185710034 7778565051 15557130102