Base | Representation |
---|---|
bin | 11000000000100111… |
… | …00110011111010011 |
3 | 1020021022212220002002 |
4 | 30000103212133103 |
5 | 202344322242100 |
6 | 5531022144215 |
7 | 634266351230 |
oct | 140023463723 |
9 | 36238786062 |
10 | 12890040275 |
11 | 5515101052 |
12 | 25b8a2206b |
13 | 12a5681a88 |
14 | 8a3d04787 |
15 | 5069812d5 |
hex | 3004e67d3 |
12890040275 has 24 divisors (see below), whose sum is σ = 18271535904. Its totient is φ = 8836704000.
The previous prime is 12890040269. The next prime is 12890040299. The reversal of 12890040275 is 57204009821.
It is not a de Polignac number, because 12890040275 - 216 = 12889974739 is a prime.
It is a super-2 number, since 2×128900402752 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061639 + ... + 1073711.
It is an arithmetic number, because the mean of its divisors is an integer number (761313996).
Almost surely, 212890040275 is an apocalyptic number.
12890040275 is a deficient number, since it is larger than the sum of its proper divisors (5381495629).
12890040275 is a wasteful number, since it uses less digits than its factorization.
12890040275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18191 (or 18186 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 12890040275 in words is "twelve billion, eight hundred ninety million, forty thousand, two hundred seventy-five".
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