Base | Representation |
---|---|
bin | 10111101001110000… |
… | …01001000010101101 |
3 | 1012202222002002102211 |
4 | 23310320021002231 |
5 | 202001230324042 |
6 | 5500012250421 |
7 | 626450463430 |
oct | 136470110255 |
9 | 35688062384 |
10 | 12698292397 |
11 | 542694502a |
12 | 2564770a11 |
13 | 1274a268ab |
14 | 88666d817 |
15 | 4e4c07017 |
hex | 2f4e090ad |
12698292397 has 16 divisors (see below), whose sum is σ = 14703811200. Its totient is φ = 10741473792.
The previous prime is 12698292391. The next prime is 12698292449. The reversal of 12698292397 is 79329289621.
It is a de Polignac number, because none of the positive numbers 2k-12698292397 is a prime.
It is a super-2 number, since 2×126982923972 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12698292391) 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, 149854 + ... + 218752.
It is an arithmetic number, because the mean of its divisors is an integer number (918988200).
Almost surely, 212698292397 is an apocalyptic number.
It is an amenable number.
12698292397 is a deficient number, since it is larger than the sum of its proper divisors (2005518803).
12698292397 is a wasteful number, since it uses less digits than its factorization.
12698292397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69252.
The product of its digits is 5878656, while the sum is 58.
The spelling of 12698292397 in words is "twelve billion, six hundred ninety-eight million, two hundred ninety-two thousand, three hundred ninety-seven".
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