Base | Representation |
---|---|
bin | 11101110110101000110… |
… | …010011101100000001101 |
3 | 21021010100201220001211111 |
4 | 131312220302131200031 |
5 | 232103013441404100 |
6 | 4210243241252021 |
7 | 301134566324212 |
oct | 35665062354015 |
9 | 7233321801744 |
10 | 2051531200525 |
11 | 72105a974514 |
12 | 291725794011 |
13 | 11b5c65cb8c1 |
14 | 7141a6c5b09 |
15 | 38571ed16ba |
hex | 1dda8c9d80d |
2051531200525 has 12 divisors (see below), whose sum is σ = 2585601947764. Its totient is φ = 1614319632000.
The previous prime is 2051531200493. The next prime is 2051531200553. The reversal of 2051531200525 is 5250021351502.
It can be written as a sum of positive squares in 6 ways, for example, as 119536839081 + 1931994361444 = 345741^2 + 1389962^2 .
It is not a de Polignac number, because 2051531200525 - 25 = 2051531200493 is a prime.
It is a super-3 number, since 3×20515312005253 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672631656 + ... + 672634705.
Almost surely, 22051531200525 is an apocalyptic number.
2051531200525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2051531200525 is a deficient number, since it is larger than the sum of its proper divisors (534070747239).
2051531200525 is a wasteful number, since it uses less digits than its factorization.
2051531200525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1345266432 (or 1345266427 counting only the distinct ones).
The product of its (nonzero) digits is 15000, while the sum is 31.
The spelling of 2051531200525 in words is "two trillion, fifty-one billion, five hundred thirty-one million, two hundred thousand, five hundred twenty-five".
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