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30663520436 = 22197233167009
BaseRepresentation
bin11100100011101100…
…000011000010110100
32221010222211020022002
4130203230003002310
51000244330123221
622030413354432
72133604423523
oct344354030264
987128736262
1030663520436
111200583782a
125b39198a18
132b789a1143
1416ac6084ba
15be6ee280b
hex723b030b4

30663520436 has 24 divisors (see below), whose sum is σ = 54165351240. Its totient is φ = 15188375552.

The previous prime is 30663520423. The next prime is 30663520453. The reversal of 30663520436 is 63402536603.

It can be written as a sum of positive squares in 4 ways, for example, as 1454659600 + 29208860836 = 38140^2 + 170906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30663520436.

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, 100100 + ... + 267108.

It is an arithmetic number, because the mean of its divisors is an integer number (2256889635).

Almost surely, 230663520436 is an apocalyptic number.

It is an amenable number.

30663520436 is a deficient number, since it is larger than the sum of its proper divisors (23501830804).

30663520436 is a wasteful number, since it uses less digits than its factorization.

30663520436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167443 (or 167441 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 30663520436 in words is "thirty billion, six hundred sixty-three million, five hundred twenty thousand, four hundred thirty-six".

Divisors: 1 2 4 197 233 394 466 788 932 45901 91802 167009 183604 334018 668036 32900773 38913097 65801546 77826194 131603092 155652388 7665880109 15331760218 30663520436