Base | Representation |
---|---|
bin | 111111111010111… |
… | …001000001010001 |
3 | 2202201220200200121 |
4 | 333322321001101 |
5 | 4144013340023 |
6 | 254225150241 |
7 | 35401161640 |
oct | 7772710121 |
9 | 2681820617 |
10 | 1072402513 |
11 | 500385976 |
12 | 25b18b381 |
13 | 14123a400 |
14 | a25d7357 |
15 | 64233d5d |
hex | 3feb9051 |
1072402513 has 24 divisors (see below), whose sum is σ = 1372939200. Its totient is φ = 819209664.
The previous prime is 1072402511. The next prime is 1072402559. The reversal of 1072402513 is 3152042701.
It is a happy number.
It is not a de Polignac number, because 1072402513 - 21 = 1072402511 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1072402511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18678 + ... + 49936.
It is an arithmetic number, because the mean of its divisors is an integer number (57205800).
Almost surely, 21072402513 is an apocalyptic number.
1072402513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1072402513 is a deficient number, since it is larger than the sum of its proper divisors (300536687).
1072402513 is a wasteful number, since it uses less digits than its factorization.
1072402513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31321 (or 31308 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 1072402513 is about 32747.5573592902. The cubic root of 1072402513 is about 1023.5740673572.
The spelling of 1072402513 in words is "one billion, seventy-two million, four hundred two thousand, five hundred thirteen".
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