Base | Representation |
---|---|
bin | 1000000000111111000… |
… | …11111110100001010001 |
3 | 222022212121200010020102 |
4 | 10000133203332201101 |
5 | 14003013300304021 |
6 | 330304225022145 |
7 | 25616565354560 |
oct | 4003743764121 |
9 | 868777603212 |
10 | 275407431761 |
11 | a6888351840 |
12 | 45461484955 |
13 | 1cc80b39597 |
14 | d488d35bd7 |
15 | 726d66c00b |
hex | 401f8fe851 |
275407431761 has 32 divisors (see below), whose sum is σ = 355065596928. Its totient is φ = 207411272640.
The previous prime is 275407431713. The next prime is 275407431763. The reversal of 275407431761 is 167134704572.
It is not a de Polignac number, because 275407431761 - 214 = 275407415377 is a prime.
It is a super-2 number, since 2×2754074317612 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (275407431763) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230195 + ... + 777048.
It is an arithmetic number, because the mean of its divisors is an integer number (11095799904).
Almost surely, 2275407431761 is an apocalyptic number.
It is an amenable number.
275407431761 is a deficient number, since it is larger than the sum of its proper divisors (79658165167).
275407431761 is a wasteful number, since it uses less digits than its factorization.
275407431761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007381.
The product of its (nonzero) digits is 987840, while the sum is 47.
The spelling of 275407431761 in words is "two hundred seventy-five billion, four hundred seven million, four hundred thirty-one thousand, seven hundred sixty-one".
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