Base | Representation |
---|---|
bin | 11101010101110100… |
… | …001010110001011101 |
3 | 10000022121021221011101 |
4 | 131111310022301131 |
5 | 1004010123310140 |
6 | 22250054553101 |
7 | 2163465626341 |
oct | 352564126135 |
9 | 100277257141 |
10 | 31504510045 |
11 | 123a7524768 |
12 | 6132968791 |
13 | 2c80ca6128 |
14 | 174c1a3621 |
15 | c45c6499a |
hex | 755d0ac5d |
31504510045 has 8 divisors (see below), whose sum is σ = 37819645920. Its totient is φ = 25194118800.
The previous prime is 31504510019. The next prime is 31504510069. The reversal of 31504510045 is 54001540513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31504510045 - 219 = 31503985757 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31504509995 and 31504510022.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171531 + ... + 1198120.
It is an arithmetic number, because the mean of its divisors is an integer number (4727455740).
Almost surely, 231504510045 is an apocalyptic number.
It is an amenable number.
31504510045 is a deficient number, since it is larger than the sum of its proper divisors (6315135875).
31504510045 is a wasteful number, since it uses less digits than its factorization.
31504510045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2372315.
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 31504510045 in words is "thirty-one billion, five hundred four million, five hundred ten thousand, forty-five".
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