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18874068104 = 232359258513
BaseRepresentation
bin10001100100111110…
…110110110010001000
31210201100220000001102
4101210332312302020
5302123230134404
612400504440532
71235500634423
oct214476666210
953640800042
1018874068104
118005a127a1
1237a8a79148
131a1a347848
14cb09569ba
15756eb171e
hex464fb6c88

18874068104 has 8 divisors (see below), whose sum is σ = 35388877710. Its totient is φ = 9437034048.

The previous prime is 18874068091. The next prime is 18874068137. The reversal of 18874068104 is 40186047881.

It can be written as a sum of positive squares in only one way, i.e., 14866924900 + 4007143204 = 121930^2 + 63302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179629249 + ... + 1179629264.

Almost surely, 218874068104 is an apocalyptic number.

It is an amenable number.

18874068104 is a deficient number, since it is larger than the sum of its proper divisors (16514809606).

18874068104 is a wasteful number, since it uses less digits than its factorization.

18874068104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359258519 (or 2359258515 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 18874068104 in words is "eighteen billion, eight hundred seventy-four million, sixty-eight thousand, one hundred four".

Divisors: 1 2 4 8 2359258513 4718517026 9437034052 18874068104