Base | Representation |
---|---|
bin | 1010100001001100110111… |
… | …10001110011111110110100 |
3 | 10000220022012000201001120210 |
4 | 11100212123301303332310 |
5 | 11012434303134243122 |
6 | 121110123532225420 |
7 | 4605106023313536 |
oct | 520463361637664 |
9 | 100808160631523 |
10 | 23131012415412 |
11 | 74088975365a0 |
12 | 2716b4130b270 |
13 | cba325681725 |
14 | 59d792c7d856 |
15 | 2a1a5627340c |
hex | 15099bc73fb4 |
23131012415412 has 48 divisors (see below), whose sum is σ = 59005019953152. Its totient is φ = 6994388266080.
The previous prime is 23131012415339. The next prime is 23131012415419. The reversal of 23131012415412 is 21451421013132.
It is a self number, because there is not a number n which added to its sum of digits gives 23131012415412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23131012415419) 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, 187556068 + ... + 187679355.
It is an arithmetic number, because the mean of its divisors is an integer number (1229271249024).
Almost surely, 223131012415412 is an apocalyptic number.
23131012415412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23131012415412 is an abundant number, since it is smaller than the sum of its proper divisors (35874007537740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131012415412 is a wasteful number, since it uses less digits than its factorization.
23131012415412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375235908 (or 375235906 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 30.
Adding to 23131012415412 its reverse (21451421013132), we get a palindrome (44582433428544).
The spelling of 23131012415412 in words is "twenty-three trillion, one hundred thirty-one billion, twelve million, four hundred fifteen thousand, four hundred twelve".
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