Base | Representation |
---|---|
bin | 10110100100110101… |
… | …11001001100100111 |
3 | 1011021200021221201101 |
4 | 23102122321030213 |
5 | 144310232344400 |
6 | 5322401540531 |
7 | 606230666662 |
oct | 132232711447 |
9 | 34250257641 |
10 | 12120199975 |
11 | 515a59a6a4 |
12 | 2423044747 |
13 | 11b202b780 |
14 | 82d98a6d9 |
15 | 4ae0b556a |
hex | 2d26b9327 |
12120199975 has 48 divisors (see below), whose sum is σ = 16357953024. Its totient is φ = 8855280000.
The previous prime is 12120199967. The next prime is 12120200009. The reversal of 12120199975 is 57999102121.
It is not a de Polignac number, because 12120199975 - 23 = 12120199967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24095574 + ... + 24096076.
It is an arithmetic number, because the mean of its divisors is an integer number (340790688).
Almost surely, 212120199975 is an apocalyptic number.
12120199975 is a deficient number, since it is larger than the sum of its proper divisors (4237753049).
12120199975 is a wasteful number, since it uses less digits than its factorization.
12120199975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).
The product of its (nonzero) digits is 102060, while the sum is 46.
The spelling of 12120199975 in words is "twelve billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred seventy-five".
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