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30166631613 = 3289181208073
BaseRepresentation
bin11100000110000100…
…100100010010111101
32212212100211122222100
4130012010210102331
5443240124202423
621505223335313
72115362065206
oct340604442275
985770748870
1030166631613
1111880305908
125a1a8b1539
132ac9a681a1
1416626225ad
15bb8591343
hex7061244bd

30166631613 has 24 divisors (see below), whose sum is σ = 44307277560. Its totient is φ = 19775162880.

The previous prime is 30166631587. The next prime is 30166631629. The reversal of 30166631613 is 31613666103.

It can be written as a sum of positive squares in 4 ways, for example, as 6655622724 + 23511008889 = 81582^2 + 153333^2 .

It is not a de Polignac number, because 30166631613 - 234 = 12986762429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30166631413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40945 + ... + 249017.

It is an arithmetic number, because the mean of its divisors is an integer number (1846136565).

Almost surely, 230166631613 is an apocalyptic number.

It is an amenable number.

30166631613 is a deficient number, since it is larger than the sum of its proper divisors (14140645947).

30166631613 is a wasteful number, since it uses less digits than its factorization.

30166631613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208349 (or 208346 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 30166631613 in words is "thirty billion, one hundred sixty-six million, six hundred thirty-one thousand, six hundred thirteen".

Divisors: 1 3 9 89 181 267 543 801 1629 16109 48327 144981 208073 624219 1872657 18518497 37661213 55555491 112983639 166666473 338950917 3351847957 10055543871 30166631613