Base | Representation |
---|---|
bin | 111010010011110101101110… |
… | …0100101000001111100010011 |
3 | 2111021000202211012111000022001 |
4 | 1310213223130211001330103 |
5 | 1014211323403420423111 |
6 | 5014503015555054431 |
7 | 213014544513362650 |
oct | 16447533445017423 |
9 | 2437022735430261 |
10 | 512900105248531 |
11 | 139475793153220 |
12 | 496375875a1417 |
13 | 190263705a00c0 |
14 | 90926d73bac27 |
15 | 3e46a971da1c1 |
hex | 1d27adc941f13 |
512900105248531 has 32 divisors (see below), whose sum is σ = 688653679246848. Its totient is φ = 368916699363840.
The previous prime is 512900105248507. The next prime is 512900105248549. The reversal of 512900105248531 is 135842501009215.
It is a cyclic number.
It is not a de Polignac number, because 512900105248531 - 213 = 512900105240339 is a prime.
It is a super-2 number, since 2×5129001052485312 (a number of 30 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (512900105248501) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155922660 + ... + 159178126.
It is an arithmetic number, because the mean of its divisors is an integer number (21520427476464).
Almost surely, 2512900105248531 is an apocalyptic number.
512900105248531 is a deficient number, since it is larger than the sum of its proper divisors (175753573998317).
512900105248531 is a wasteful number, since it uses less digits than its factorization.
512900105248531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3412891.
The product of its (nonzero) digits is 432000, while the sum is 46.
The spelling of 512900105248531 in words is "five hundred twelve trillion, nine hundred billion, one hundred five million, two hundred forty-eight thousand, five hundred thirty-one".
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