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163930992900 = 223524113327723
BaseRepresentation
bin1001100010101100001…
…1000111000100000100
3120200010122002021111120
42120223003013010010
510141212313233100
6203150414033540
714562235306623
oct2305303070404
9520118067446
10163930992900
1163582854324
12279301a88b0
13125c67a971c
147d11a236ba
1543e6b310a0
hex262b0c7104

163930992900 has 72 divisors (see below), whose sum is σ = 485875506144. Its totient is φ = 42648710400.

The previous prime is 163930992887. The next prime is 163930992913. The reversal of 163930992900 is 9299039361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163930992887) and next prime (163930992913).

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, 6651562 + ... + 6676161.

Almost surely, 2163930992900 is an apocalyptic number.

163930992900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163930992900 is an abundant number, since it is smaller than the sum of its proper divisors (321944513244).

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

163930992900 is a wasteful number, since it uses less digits than its factorization.

163930992900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327781 (or 13327774 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 51.

The spelling of 163930992900 in words is "one hundred sixty-three billion, nine hundred thirty million, nine hundred ninety-two thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 41 50 60 75 82 100 123 150 164 205 246 300 410 492 615 820 1025 1230 2050 2460 3075 4100 6150 12300 13327723 26655446 39983169 53310892 66638615 79966338 133277230 159932676 199915845 266554460 333193075 399831690 546436643 666386150 799663380 999579225 1092873286 1332772300 1639309929 1999158450 2185746572 2732183215 3278619858 3998316900 5464366430 6557239716 8196549645 10928732860 13660916075 16393099290 27321832150 32786198580 40982748225 54643664300 81965496450 163930992900