Base | Representation |
---|---|
bin | 1010100000010101011100… |
… | …01110111100010110011001 |
3 | 10000210110101100011002111100 |
4 | 11100022232032330112121 |
5 | 11011442333330130211 |
6 | 121044323204222013 |
7 | 4603003455621462 |
oct | 520125616742631 |
9 | 100713340132440 |
10 | 23101257270681 |
11 | 73a7208531997 |
12 | 271121839a909 |
13 | cb7592c4a405 |
14 | 59c16d171d69 |
15 | 2a0db3db4156 |
hex | 1502ae3bc599 |
23101257270681 has 24 divisors (see below), whose sum is σ = 34351736034824. Its totient is φ = 14949006347520.
The previous prime is 23101257270643. The next prime is 23101257270703. The reversal of 23101257270681 is 18607275210132.
23101257270681 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 1 + 2 + 572 + 70 + 6 + 8 + 1 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 252666070281 + 22848591200400 = 502659^2 + 4780020^2 .
It is not a de Polignac number, because 23101257270681 - 26 = 23101257270617 is a prime.
It is a super-2 number, since 2×231012572706812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23101257270631) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82250716 + ... + 82531101.
Almost surely, 223101257270681 is an apocalyptic number.
It is an amenable number.
23101257270681 is a deficient number, since it is larger than the sum of its proper divisors (11250478764143).
23101257270681 is a wasteful number, since it uses less digits than its factorization.
23101257270681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164782281 (or 164782278 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 23101257270681 in words is "twenty-three trillion, one hundred one billion, two hundred fifty-seven million, two hundred seventy thousand, six hundred eighty-one".
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