Base | Representation |
---|---|
bin | 10101011011101110… |
… | …000011110001011100 |
3 | 2012101212012220022210 |
4 | 111123232003301130 |
5 | 334112442342322 |
6 | 14323342040420 |
7 | 1443204455136 |
oct | 253356036134 |
9 | 65355186283 |
10 | 23013637212 |
11 | 983a664295 |
12 | 4563279110 |
13 | 2229b55417 |
14 | 118463c056 |
15 | 8ea60570c |
hex | 55bb83c5c |
23013637212 has 48 divisors (see below), whose sum is σ = 53969997312. Its totient is φ = 7632500160.
The previous prime is 23013637211. The next prime is 23013637219. The reversal of 23013637212 is 21273631032.
It is a super-2 number, since 2×230136372122 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23013637212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23013637211) 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, 2795262 + ... + 2803482.
It is an arithmetic number, because the mean of its divisors is an integer number (1124374944).
Almost surely, 223013637212 is an apocalyptic number.
It is an amenable number.
23013637212 is an abundant number, since it is smaller than the sum of its proper divisors (30956360100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23013637212 is a wasteful number, since it uses less digits than its factorization.
23013637212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9378 (or 9376 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 30.
The spelling of 23013637212 in words is "twenty-three billion, thirteen million, six hundred thirty-seven thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •