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18886906700 = 2252188869067
BaseRepresentation
bin10001100101101111…
…110101001101001100
31210202021001021021222
4101211233311031030
5302140022003300
612402043542512
71236015025634
oct214557651514
953667037258
1018886906700
118012191602
1237b122aa38
131a1cbc144c
14cb25396c4
1575819a785
hex465bf534c

18886906700 has 18 divisors (see below), whose sum is σ = 40984587756. Its totient is φ = 7554762640.

The previous prime is 18886906697. The next prime is 18886906739. The reversal of 18886906700 is 760968881.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 94434434 + ... + 94434633.

It is an arithmetic number, because the mean of its divisors is an integer number (2276921542).

Almost surely, 218886906700 is an apocalyptic number.

18886906700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18886906700 is an abundant number, since it is smaller than the sum of its proper divisors (22097681056).

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

18886906700 is a wasteful number, since it uses less digits than its factorization.

18886906700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188869081 (or 188869074 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 18886906700 in words is "eighteen billion, eight hundred eighty-six million, nine hundred six thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 188869067 377738134 755476268 944345335 1888690670 3777381340 4721726675 9443453350 18886906700