Base | Representation |
---|---|
bin | 11100100101010001… |
… | …010000101001010010 |
3 | 2221012211202012201011 |
4 | 130211101100221102 |
5 | 1000323123141230 |
6 | 22033202201134 |
7 | 2134346100163 |
oct | 344521205122 |
9 | 87184665634 |
10 | 30690052690 |
11 | 12019809910 |
12 | 5b460531aa |
13 | 2b813308bb |
14 | 16b1d5376a |
15 | be94d3e2a |
hex | 725450a52 |
30690052690 has 32 divisors (see below), whose sum is σ = 60529633344. Its totient is φ = 11110847040.
The previous prime is 30690052643. The next prime is 30690052703. The reversal of 30690052690 is 9625009603.
It is a super-2 number, since 2×306900526902 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589569 + ... + 639508.
It is an arithmetic number, because the mean of its divisors is an integer number (1891551042).
Almost surely, 230690052690 is an apocalyptic number.
30690052690 is a deficient number, since it is larger than the sum of its proper divisors (29839580654).
30690052690 is a wasteful number, since it uses less digits than its factorization.
30690052690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229322.
The product of its (nonzero) digits is 87480, while the sum is 40.
The spelling of 30690052690 in words is "thirty billion, six hundred ninety million, fifty-two thousand, six hundred ninety".
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