Base | Representation |
---|---|
bin | 10101011101011111… |
… | …010000101010111000 |
3 | 2012110221001112220120 |
4 | 111131133100222320 |
5 | 334143041443222 |
6 | 14330322053240 |
7 | 1444014631356 |
oct | 253537205270 |
9 | 65427045816 |
10 | 23043312312 |
11 | 9855392669 |
12 | 45711aa220 |
13 | 2233045557 |
14 | 11885647d6 |
15 | 8ed01815c |
hex | 55d7d0ab8 |
23043312312 has 64 divisors (see below), whose sum is σ = 61511028480. Its totient is φ = 7176271872.
The previous prime is 23043312311. The next prime is 23043312317. The reversal of 23043312312 is 21321334032.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23043312311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461673 + ... + 509144.
It is an arithmetic number, because the mean of its divisors is an integer number (961109820).
Almost surely, 223043312312 is an apocalyptic number.
It is an amenable number.
23043312312 is an abundant number, since it is smaller than the sum of its proper divisors (38467716168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23043312312 is a wasteful number, since it uses less digits than its factorization.
23043312312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 970892 (or 970888 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 23043312312 its reverse (21321334032), we get a palindrome (44364646344).
The spelling of 23043312312 in words is "twenty-three billion, forty-three million, three hundred twelve thousand, three hundred twelve".
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