Base | Representation |
---|---|
bin | 1011000101110110010100… |
… | …0110101010111010011000 |
3 | 1121011211201001221210122211 |
4 | 2301131211012222322120 |
5 | 3044301040222311132 |
6 | 41534204440124504 |
7 | 2366032104033232 |
oct | 261354506527230 |
9 | 47154631853584 |
10 | 12195108400792 |
11 | 3981a09848129 |
12 | 144b5b1166734 |
13 | 6a5cbc475655 |
14 | 302364179252 |
15 | 162351c02147 |
hex | b17651aae98 |
12195108400792 has 64 divisors (see below), whose sum is σ = 25003622246400. Its totient is φ = 5556360096000.
The previous prime is 12195108400777. The next prime is 12195108400793. The reversal of 12195108400792 is 29700480159121.
12195108400792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×121951084007922 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12195108400793) 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, 13338184 + ... + 14223127.
It is an arithmetic number, because the mean of its divisors is an integer number (390681597600).
Almost surely, 212195108400792 is an apocalyptic number.
It is an amenable number.
12195108400792 is an abundant number, since it is smaller than the sum of its proper divisors (12808513845608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12195108400792 is a wasteful number, since it uses less digits than its factorization.
12195108400792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27561448 (or 27561444 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 49.
The spelling of 12195108400792 in words is "twelve trillion, one hundred ninety-five billion, one hundred eight million, four hundred thousand, seven hundred ninety-two".
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