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163513839205 = 5108730085343
BaseRepresentation
bin1001100001001000101…
…1110010111001100101
3120122001120010200012201
42120102023302321211
510134334020323310
6203041153014501
714546011462243
oct2302213627145
9518046120181
10163513839205
1163389332602
1227834554431
131255b240412
147cb2475793
1543c01cee3a
hex26122f2e65

163513839205 has 8 divisors (see below), whose sum is σ = 196397125632. Its totient is φ = 130690725648.

The previous prime is 163513839191. The next prime is 163513839263. The reversal of 163513839205 is 502938315361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163513839205 - 25 = 163513839173 is a prime.

It is a super-2 number, since 2×1635138392052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 15037237 + ... + 15048106.

It is an arithmetic number, because the mean of its divisors is an integer number (24549640704).

Almost surely, 2163513839205 is an apocalyptic number.

It is an amenable number.

163513839205 is a deficient number, since it is larger than the sum of its proper divisors (32883286427).

163513839205 is a wasteful number, since it uses less digits than its factorization.

163513839205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30086435.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 163513839205 in words is "one hundred sixty-three billion, five hundred thirteen million, eight hundred thirty-nine thousand, two hundred five".

Divisors: 1 5 1087 5435 30085343 150426715 32702767841 163513839205