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189100852005888 = 21032471373186637
BaseRepresentation
bin101010111111110001111001…
…000111000100110000000000
3220210112212100111211002212100
4222333301321013010300000
5144241212021103142023
61510103422050230400
754555041253043644
oct5277617107046000
9823485314732770
10189100852005888
1155287248121139
1219261018885400
138169198038874
14349a75c734c24
1516cde3181ac43
hexabfc791c4c00

189100852005888 has 264 divisors, whose sum is σ = 561712708170432. Its totient is φ = 61242147274752.

The previous prime is 189100852005809. The next prime is 189100852005907. The reversal of 189100852005888 is 888500258001981.

189100852005888 is a `hidden beast` number, since 18 + 9 + 10 + 0 + 8 + 5 + 20 + 0 + 588 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57748506 + ... + 60935142.

Almost surely, 2189100852005888 is an apocalyptic number.

189100852005888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189100852005888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280856354085216).

189100852005888 is an abundant number, since it is smaller than the sum of its proper divisors (372611856164544).

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

189100852005888 is a wasteful number, since it uses less digits than its factorization.

189100852005888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186847 (or 3186826 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 63.

The spelling of 189100852005888 in words is "one hundred eighty-nine trillion, one hundred billion, eight hundred fifty-two million, five thousand, eight hundred eighty-eight".