Base | Representation |
---|---|
bin | 100100110101011101111… |
… | …101110010001111010001 |
3 | 22221222202111111220011000 |
4 | 210311131331302033101 |
5 | 312433111411334433 |
6 | 5214511353412213 |
7 | 350611163550102 |
oct | 44653575621721 |
9 | 8858674456130 |
10 | 2531312214993 |
11 | 896583832911 |
12 | 34a70340a069 |
13 | 15491789acc3 |
14 | 8a7324dc3a9 |
15 | 45ca2a3e113 |
hex | 24d5df723d1 |
2531312214993 has 16 divisors (see below), whose sum is σ = 3970685828160. Its totient is φ = 1588274330688.
The previous prime is 2531312214983. The next prime is 2531312215001. The reversal of 2531312214993 is 3994122131352.
2531312214993 is a `hidden beast` number, since 2 + 5 + 3 + 131 + 2 + 21 + 499 + 3 = 666.
It is not a de Polignac number, because 2531312214993 - 214 = 2531312198609 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2531312214913) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757420255 + ... + 2757421172.
It is an arithmetic number, because the mean of its divisors is an integer number (248167864260).
Almost surely, 22531312214993 is an apocalyptic number.
It is an amenable number.
2531312214993 is a deficient number, since it is larger than the sum of its proper divisors (1439373613167).
2531312214993 is a wasteful number, since it uses less digits than its factorization.
2531312214993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5514841453 (or 5514841447 counting only the distinct ones).
The product of its digits is 349920, while the sum is 45.
The spelling of 2531312214993 in words is "two trillion, five hundred thirty-one billion, three hundred twelve million, two hundred fourteen thousand, nine hundred ninety-three".
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