Base | Representation |
---|---|
bin | 10111011110110000… |
… | …01000111110110001 |
3 | 1012112112110001000110 |
4 | 23233120020332301 |
5 | 201304120024312 |
6 | 5442514411533 |
7 | 624250244325 |
oct | 135730107661 |
9 | 35475401013 |
10 | 12606017457 |
11 | 538984a550 |
12 | 2539890ba9 |
13 | 125b889337 |
14 | 8782cd985 |
15 | 4dba7b43c |
hex | 2ef608fb1 |
12606017457 has 32 divisors (see below), whose sum is σ = 19488568320. Its totient is φ = 7167597120.
The previous prime is 12606017449. The next prime is 12606017461. The reversal of 12606017457 is 75471060621.
It is not a de Polignac number, because 12606017457 - 23 = 12606017449 is a prime.
It is a super-2 number, since 2×126060174572 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12606017357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33018 + ... + 162179.
It is an arithmetic number, because the mean of its divisors is an integer number (609017760).
Almost surely, 212606017457 is an apocalyptic number.
It is an amenable number.
12606017457 is a deficient number, since it is larger than the sum of its proper divisors (6882550863).
12606017457 is a wasteful number, since it uses less digits than its factorization.
12606017457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195333.
The product of its (nonzero) digits is 70560, while the sum is 39.
The spelling of 12606017457 in words is "twelve billion, six hundred six million, seventeen thousand, four hundred fifty-seven".
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