Base | Representation |
---|---|
bin | 10111111011110001010001… |
… | …01101111000011000011000 |
3 | 20220100111100200102101221102 |
4 | 23331320220231320120120 |
5 | 23344302210331024430 |
6 | 303534240053530532 |
7 | 14041323335444012 |
oct | 1375705055703030 |
9 | 226314320371842 |
10 | 52631212361240 |
11 | 15851854315437 |
12 | 5aa0346643a48 |
13 | 234a14320b646 |
14 | cdd5157b31b2 |
15 | 6140d2c62345 |
hex | 2fde28b78618 |
52631212361240 has 128 divisors (see below), whose sum is σ = 119594355379200. Its totient is φ = 20844721267200.
The previous prime is 52631212361237. The next prime is 52631212361269. The reversal of 52631212361240 is 4216321213625.
It is a super-2 number, since 2×526312123612402 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 52631212361194 and 52631212361203.
It is a congruent number.
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, 5804695187 + ... + 5804704253.
It is an arithmetic number, because the mean of its divisors is an integer number (934330901400).
Almost surely, 252631212361240 is an apocalyptic number.
It is an amenable number.
52631212361240 is an abundant number, since it is smaller than the sum of its proper divisors (66963143017960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52631212361240 is a wasteful number, since it uses less digits than its factorization.
52631212361240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12265 (or 12261 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 38.
Adding to 52631212361240 its reverse (4216321213625), we get a palindrome (56847533574865).
The spelling of 52631212361240 in words is "fifty-two trillion, six hundred thirty-one billion, two hundred twelve million, three hundred sixty-one thousand, two hundred forty".
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