Base | Representation |
---|---|
bin | 101111111111000001… |
… | …000111101110110001 |
3 | 11220222201211220011020 |
4 | 233333001013232301 |
5 | 1321004404433040 |
6 | 35400331210053 |
7 | 3502535220633 |
oct | 577701075661 |
9 | 156881756136 |
10 | 51523124145 |
11 | 1a93a507839 |
12 | 9b9aba6929 |
13 | 4b2149a40c |
14 | 26cab32a53 |
15 | 151845acd0 |
hex | bff047bb1 |
51523124145 has 32 divisors (see below), whose sum is σ = 82833214464. Its totient is φ = 27347140800.
The previous prime is 51523124129. The next prime is 51523124167. The reversal of 51523124145 is 54142132515.
It is not a de Polignac number, because 51523124145 - 24 = 51523124129 is a prime.
It is a super-2 number, since 2×515231241452 (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 31 ways as a sum of consecutive naturals, for example, 4298010 + ... + 4309980.
It is an arithmetic number, because the mean of its divisors is an integer number (2588537952).
Almost surely, 251523124145 is an apocalyptic number.
It is an amenable number.
51523124145 is a deficient number, since it is larger than the sum of its proper divisors (31310090319).
51523124145 is a wasteful number, since it uses less digits than its factorization.
51523124145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13333.
The product of its digits is 24000, while the sum is 33.
The spelling of 51523124145 in words is "fifty-one billion, five hundred twenty-three million, one hundred twenty-four thousand, one hundred forty-five".
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