Base | Representation |
---|---|
bin | 1010100001100111011111… |
… | …11111001010111001111111 |
3 | 10000221200002110022221210120 |
4 | 11100303233333022321333 |
5 | 11013203043341331330 |
6 | 121120450401310023 |
7 | 4606123234550424 |
oct | 520635777127177 |
9 | 100850073287716 |
10 | 23145310105215 |
11 | 7413964180561 |
12 | 2719871635313 |
13 | cbb79385c9cc |
14 | 5a034bac7d4b |
15 | 2a20e15aac10 |
hex | 150ceffcae7f |
23145310105215 has 8 divisors (see below), whose sum is σ = 37032496168368. Its totient is φ = 12344165389440.
The previous prime is 23145310105199. The next prime is 23145310105259. The reversal of 23145310105215 is 51250101354132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23145310105215 - 24 = 23145310105199 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771510336826 + ... + 771510336855.
It is an arithmetic number, because the mean of its divisors is an integer number (4629062021046).
Almost surely, 223145310105215 is an apocalyptic number.
23145310105215 is a deficient number, since it is larger than the sum of its proper divisors (13887186063153).
23145310105215 is a wasteful number, since it uses less digits than its factorization.
23145310105215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1543020673689.
The product of its (nonzero) digits is 18000, while the sum is 33.
Adding to 23145310105215 its reverse (51250101354132), we get a palindrome (74395411459347).
The spelling of 23145310105215 in words is "twenty-three trillion, one hundred forty-five billion, three hundred ten million, one hundred five thousand, two hundred fifteen".
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