Base | Representation |
---|---|
bin | 11100000110000100… |
… | …100100010010111101 |
3 | 2212212100211122222100 |
4 | 130012010210102331 |
5 | 443240124202423 |
6 | 21505223335313 |
7 | 2115362065206 |
oct | 340604442275 |
9 | 85770748870 |
10 | 30166631613 |
11 | 11880305908 |
12 | 5a1a8b1539 |
13 | 2ac9a681a1 |
14 | 16626225ad |
15 | bb8591343 |
hex | 7061244bd |
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".
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