Base | Representation |
---|---|
bin | 11100101100001100… |
… | …001100000010010110 |
3 | 2221111221020020221110 |
4 | 130230030030002112 |
5 | 1001042334213411 |
6 | 22052510555450 |
7 | 2140256033031 |
oct | 345414140226 |
9 | 87457206843 |
10 | 30806163606 |
11 | 12079304749 |
12 | 5b78b08b86 |
13 | 2b9c3c559a |
14 | 16c353a018 |
15 | c047bc2a6 |
hex | 72c30c096 |
30806163606 has 16 divisors (see below), whose sum is σ = 61705828800. Its totient is φ = 10253137608.
The previous prime is 30806163571. The next prime is 30806163617. The reversal of 30806163606 is 60636160803.
It is a super-2 number, since 2×308061636062 (a number of 22 digits) contains 22 as substring.
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, 3891616 + ... + 3899523.
It is an arithmetic number, because the mean of its divisors is an integer number (3856614300).
Almost surely, 230806163606 is an apocalyptic number.
30806163606 is an abundant number, since it is smaller than the sum of its proper divisors (30899665194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30806163606 is a wasteful number, since it uses less digits than its factorization.
30806163606 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7791803.
The product of its (nonzero) digits is 93312, while the sum is 39.
The spelling of 30806163606 in words is "thirty billion, eight hundred six million, one hundred sixty-three thousand, six hundred six".
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