Base | Representation |
---|---|
bin | 101111101110110111… |
… | …001111111000101111 |
3 | 11220021211212110211012 |
4 | 233232313033320233 |
5 | 1314431014210110 |
6 | 35313410215435 |
7 | 3463034444660 |
oct | 575667177057 |
9 | 156254773735 |
10 | 51252100655 |
11 | 1a810524888 |
12 | 9b2428457b |
13 | 4aaa2a67a2 |
14 | 26a2b43367 |
15 | 14ee772905 |
hex | beedcfe2f |
51252100655 has 8 divisors (see below), whose sum is σ = 70288595232. Its totient is φ = 35144297568.
The previous prime is 51252100597. The next prime is 51252100673. The reversal of 51252100655 is 55600125215.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51252100655 - 226 = 51184991791 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 732172832 + ... + 732172901.
It is an arithmetic number, because the mean of its divisors is an integer number (8786074404).
Almost surely, 251252100655 is an apocalyptic number.
51252100655 is a deficient number, since it is larger than the sum of its proper divisors (19036494577).
51252100655 is a wasteful number, since it uses less digits than its factorization.
51252100655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1464345745.
The product of its (nonzero) digits is 15000, while the sum is 32.
The spelling of 51252100655 in words is "fifty-one billion, two hundred fifty-two million, one hundred thousand, six hundred fifty-five".
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