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163102980 = 22352718383
BaseRepresentation
bin10011011100011…
…00000100000100
3102100220111020010
421232030010010
5313223243410
624103510220
74020231615
oct1156140404
9370814203
10163102980
1184081757
1246758370
1327a38c51
1417939c0c
15e4bbc20
hex9b8c104

163102980 has 24 divisors (see below), whose sum is σ = 456688512. Its totient is φ = 43494112.

The previous prime is 163102969. The next prime is 163103027. The reversal of 163102980 is 89201361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359132 + ... + 1359251.

It is an arithmetic number, because the mean of its divisors is an integer number (19028688).

Almost surely, 2163102980 is an apocalyptic number.

163102980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163102980 is an abundant number, since it is smaller than the sum of its proper divisors (293585532).

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

163102980 is a wasteful number, since it uses less digits than its factorization.

163102980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718395 (or 2718393 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 163102980 is about 12771.1777060692. The cubic root of 163102980 is about 546.3705705328.

The spelling of 163102980 in words is "one hundred sixty-three million, one hundred two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2718383 5436766 8155149 10873532 13591915 16310298 27183830 32620596 40775745 54367660 81551490 163102980