Base | Representation |
---|---|
bin | 1010101010100101011010… |
… | …11100011100011011110111 |
3 | 10002001010101221211000102202 |
4 | 11111102231130130123313 |
5 | 11033230111411213111 |
6 | 121514205125055115 |
7 | 4640311615123433 |
oct | 525225534343367 |
9 | 102033357730382 |
10 | 23453431351031 |
11 | 75225a9627a60 |
12 | 276952285749b |
13 | 10118590736c6 |
14 | 5b121b6559c3 |
15 | 2aa126c14b3b |
hex | 1554ad71c6f7 |
23453431351031 has 32 divisors (see below), whose sum is σ = 25957117992960. Its totient is φ = 21014610220800.
The previous prime is 23453431350961. The next prime is 23453431351127. The reversal of 23453431351031 is 13015313435432.
It is a cyclic number.
It is not a de Polignac number, because 23453431351031 - 210 = 23453431350007 is a prime.
It is a super-2 number, since 2×234534313510312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23453431351331) 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, 101308571 + ... + 101539811.
It is an arithmetic number, because the mean of its divisors is an integer number (811159937280).
Almost surely, 223453431351031 is an apocalyptic number.
23453431351031 is a deficient number, since it is larger than the sum of its proper divisors (2503686641929).
23453431351031 is a wasteful number, since it uses less digits than its factorization.
23453431351031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231887.
The product of its (nonzero) digits is 194400, while the sum is 38.
Adding to 23453431351031 its reverse (13015313435432), we get a palindrome (36468744786463).
The spelling of 23453431351031 in words is "twenty-three trillion, four hundred fifty-three billion, four hundred thirty-one million, three hundred fifty-one thousand, thirty-one".
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