Base | Representation |
---|---|
bin | 10111110110101101111010… |
… | …10010011101111011000111 |
3 | 20212201220021010102211022112 |
4 | 23323112331102131323013 |
5 | 23333431141444233111 |
6 | 303322405521051235 |
7 | 14022636340112240 |
oct | 1373267522357307 |
9 | 225656233384275 |
10 | 52457611321031 |
11 | 1579516a029484 |
12 | 5a72777a86b1b |
13 | 23369681cbb47 |
14 | cd4d67799cc7 |
15 | 60e8221ebe8b |
hex | 2fb5bd49dec7 |
52457611321031 has 8 divisors (see below), whose sum is σ = 59972038072320. Its totient is φ = 44948305138968.
The previous prime is 52457611321009. The next prime is 52457611321091. The reversal of 52457611321031 is 13012311675425.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-52457611321031 is a prime.
It is a super-2 number, since 2×524576113210312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52457611321031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52457611321091) 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, 1280120351 + ... + 1280161328.
It is an arithmetic number, because the mean of its divisors is an integer number (7496504759040).
Almost surely, 252457611321031 is an apocalyptic number.
52457611321031 is a deficient number, since it is larger than the sum of its proper divisors (7514426751289).
52457611321031 is a wasteful number, since it uses less digits than its factorization.
52457611321031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2560284613.
The product of its (nonzero) digits is 151200, while the sum is 41.
Adding to 52457611321031 its reverse (13012311675425), we get a palindrome (65469922996456).
The spelling of 52457611321031 in words is "fifty-two trillion, four hundred fifty-seven billion, six hundred eleven million, three hundred twenty-one thousand, thirty-one".
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