Base | Representation |
---|---|
bin | 11000000100101011… |
… | …11010101110100010 |
3 | 1020100201011111000002 |
4 | 30002111322232202 |
5 | 202432043430030 |
6 | 5534242300002 |
7 | 635162621615 |
oct | 140225725642 |
9 | 36321144002 |
10 | 12924201890 |
11 | 5532414196 |
12 | 2608357602 |
13 | 12ac783052 |
14 | 8a867817c |
15 | 50997d245 |
hex | 30257aba2 |
12924201890 has 32 divisors (see below), whose sum is σ = 24797372400. Its totient is φ = 4832917504.
The previous prime is 12924201877. The next prime is 12924201911. The reversal of 12924201890 is 9810242921.
It can be written as a sum of positive squares in 8 ways, for example, as 5044266529 + 7879935361 = 71023^2 + 88769^2 .
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, 229787 + ... + 280446.
Almost surely, 212924201890 is an apocalyptic number.
12924201890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12924201890 is a deficient number, since it is larger than the sum of its proper divisors (11873170510).
12924201890 is a wasteful number, since it uses less digits than its factorization.
12924201890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510406.
The product of its (nonzero) digits is 20736, while the sum is 38.
The spelling of 12924201890 in words is "twelve billion, nine hundred twenty-four million, two hundred one thousand, eight hundred ninety".
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