Base | Representation |
---|---|
bin | 11010010100011011001011… |
… | …01110011110111101111001 |
3 | 21120220221002012101202022120 |
4 | 31022031211232132331321 |
5 | 30041221322043413011 |
6 | 323032014051311453 |
7 | 15122300631311031 |
oct | 1512154556367571 |
9 | 246827065352276 |
10 | 57876390997881 |
11 | 1749426a97a525 |
12 | 65a89ba2ab589 |
13 | 263a94951a361 |
14 | 10413374ca8c1 |
15 | 6a576ed80a06 |
hex | 34a365b9ef79 |
57876390997881 has 8 divisors (see below), whose sum is σ = 78810404763264. Its totient is φ = 37763318948880.
The previous prime is 57876390997877. The next prime is 57876390997889. The reversal of 57876390997881 is 18879909367875.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57876390997881 - 22 = 57876390997877 is a prime.
It is a super-2 number, since 2×578763909978812 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57876390997889) 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, 205235428930 + ... + 205235429211.
It is an arithmetic number, because the mean of its divisors is an integer number (9851300595408).
Almost surely, 257876390997881 is an apocalyptic number.
It is an amenable number.
57876390997881 is a deficient number, since it is larger than the sum of its proper divisors (20934013765383).
57876390997881 is a wasteful number, since it uses less digits than its factorization.
57876390997881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410470858191.
The product of its (nonzero) digits is 11522165760, while the sum is 87.
The spelling of 57876390997881 in words is "fifty-seven trillion, eight hundred seventy-six billion, three hundred ninety million, nine hundred ninety-seven thousand, eight hundred eighty-one".
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