Base | Representation |
---|---|
bin | 10111100001100100000010… |
… | …10000010010110010100000 |
3 | 20210011102010020100221021101 |
4 | 23300302001100102302200 |
5 | 23240024041142121102 |
6 | 302004440340004144 |
7 | 13616265216236152 |
oct | 1360620120226240 |
9 | 223142106327241 |
10 | 51730754645152 |
11 | 15534987419790 |
12 | 5975925090654 |
13 | 22b325c98371b |
14 | cabad36c0ad2 |
15 | 5ea980470e87 |
hex | 2f0c81412ca0 |
51730754645152 has 48 divisors (see below), whose sum is σ = 111224449425600. Its totient is φ = 23488392752640.
The previous prime is 51730754645111. The next prime is 51730754645153. The reversal of 51730754645152 is 25154645703715.
It is a junction number, because it is equal to n+sod(n) for n = 51730754645093 and 51730754645102.
It is not an unprimeable number, because it can be changed into a prime (51730754645153) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79634277 + ... + 80281252.
It is an arithmetic number, because the mean of its divisors is an integer number (2317176029700).
Almost surely, 251730754645152 is an apocalyptic number.
It is an amenable number.
51730754645152 is an abundant number, since it is smaller than the sum of its proper divisors (59493694780448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51730754645152 is a wasteful number, since it uses less digits than its factorization.
51730754645152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159916469 (or 159916461 counting only the distinct ones).
The product of its (nonzero) digits is 17640000, while the sum is 55.
The spelling of 51730754645152 in words is "fifty-one trillion, seven hundred thirty billion, seven hundred fifty-four million, six hundred forty-five thousand, one hundred fifty-two".
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