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18886063677 = 313499970457
BaseRepresentation
bin10001100101101100…
…100111011000111101
31210202012110102212220
4101211230213120331
5302134313014202
612402013515553
71236004615065
oct214554473075
953665412786
1018886063677
118011766198
1237b0aa2bb9
131a1c987810
14cb239a3a5
15758080abc
hex465b2763d

18886063677 has 16 divisors (see below), whose sum is σ = 27172824000. Its totient is φ = 11598890112.

The previous prime is 18886063667. The next prime is 18886063681. The reversal of 18886063677 is 77636068881.

It is not a de Polignac number, because 18886063677 - 210 = 18886062653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18886063677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18886063667) 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 15 ways as a sum of consecutive naturals, for example, 465768 + ... + 504689.

It is an arithmetic number, because the mean of its divisors is an integer number (1698301500).

Almost surely, 218886063677 is an apocalyptic number.

It is an amenable number.

18886063677 is a deficient number, since it is larger than the sum of its proper divisors (8286760323).

18886063677 is a wasteful number, since it uses less digits than its factorization.

18886063677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970972.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 18886063677 in words is "eighteen billion, eight hundred eighty-six million, sixty-three thousand, six hundred seventy-seven".

Divisors: 1 3 13 39 499 1497 6487 19461 970457 2911371 12615941 37847823 484258043 1452774129 6295354559 18886063677