Base | Representation |
---|---|
bin | 1110100111111001111… |
… | …1010001011000100110 |
3 | 220000110200000000111100 |
4 | 3221332133101120212 |
5 | 13104004414330204 |
6 | 311225155420530 |
7 | 24102501502206 |
oct | 3517637213046 |
9 | 800420000440 |
10 | 251230230054 |
11 | 97600a08301 |
12 | 408345b4746 |
13 | 1a8c9c08c7b |
14 | c233d70406 |
15 | 6805d26a39 |
hex | 3a7e7d1626 |
251230230054 has 12 divisors (see below), whose sum is σ = 544332165156. Its totient is φ = 83743410012.
The previous prime is 251230230037. The next prime is 251230230071. The reversal of 251230230054 is 450032032152.
It is a happy number.
251230230054 is a `hidden beast` number, since 2 + 5 + 1 + 2 + 302 + 300 + 54 = 666.
It is an interprime number because it is at equal distance from previous prime (251230230037) and next prime (251230230071).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6978617484 + ... + 6978617519.
It is an arithmetic number, because the mean of its divisors is an integer number (45361013763).
Almost surely, 2251230230054 is an apocalyptic number.
251230230054 is an abundant number, since it is smaller than the sum of its proper divisors (293101935102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
251230230054 is a wasteful number, since it uses less digits than its factorization.
251230230054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13957235011 (or 13957235008 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The spelling of 251230230054 in words is "two hundred fifty-one billion, two hundred thirty million, two hundred thirty thousand, fifty-four".
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