Base | Representation |
---|---|
bin | 1010100000010101110001… |
… | …00011011001100000011001 |
3 | 10000210110211101221020022220 |
4 | 11100022320203121200121 |
5 | 11011443212140431040 |
6 | 121044352311134253 |
7 | 4603010660343621 |
oct | 520127043314031 |
9 | 100713741836286 |
10 | 23101430405145 |
11 | 73a7297235424 |
12 | 2711266374389 |
13 | cb75bca89341 |
14 | 59c18815d881 |
15 | 2a0dc41b32d0 |
hex | 1502b88d9819 |
23101430405145 has 32 divisors (see below), whose sum is σ = 38587599251712. Its totient is φ = 11779499753472.
The previous prime is 23101430405041. The next prime is 23101430405159. The reversal of 23101430405145 is 54150403410132.
It is not a de Polignac number, because 23101430405145 - 28 = 23101430404889 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15115944 + ... + 16573913.
It is an arithmetic number, because the mean of its divisors is an integer number (1205862476616).
Almost surely, 223101430405145 is an apocalyptic number.
It is an amenable number.
23101430405145 is a deficient number, since it is larger than the sum of its proper divisors (15486168846567).
23101430405145 is a wasteful number, since it uses less digits than its factorization.
23101430405145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31692001.
The product of its (nonzero) digits is 28800, while the sum is 33.
Adding to 23101430405145 its reverse (54150403410132), we get a palindrome (77251833815277).
The spelling of 23101430405145 in words is "twenty-three trillion, one hundred one billion, four hundred thirty million, four hundred five thousand, one hundred forty-five".
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