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163055489788 = 22128332099901
BaseRepresentation
bin1001011111011011011…
…1010101001011111100
3120120212121200010000101
42113312313111023330
510132414201133123
6202523501010444
714531444536462
oct2276667251374
9516777603011
10163055489788
1163173633934
1227726b53a24
13124b72ac249
147c6b642832
154394d42aad
hex25f6dd52fc

163055489788 has 24 divisors (see below), whose sum is σ = 285687354960. Its totient is φ = 81430588800.

The previous prime is 163055489767. The next prime is 163055489789. The reversal of 163055489788 is 887984550361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163055489789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16463638 + ... + 16473538.

It is an arithmetic number, because the mean of its divisors is an integer number (11903639790).

Almost surely, 2163055489788 is an apocalyptic number.

It is an amenable number.

163055489788 is a deficient number, since it is larger than the sum of its proper divisors (122631865172).

163055489788 is a wasteful number, since it uses less digits than its factorization.

163055489788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397 (or 14395 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 163055489788 in words is "one hundred sixty-three billion, fifty-five million, four hundred eighty-nine thousand, seven hundred eighty-eight".

Divisors: 1 2 4 1283 2566 3209 5132 6418 9901 12836 19802 39604 4117147 8234294 12702983 16468588 25405966 31772309 50811932 63544618 127089236 40763872447 81527744894 163055489788