Base | Representation |
---|---|
bin | 1100000010001101… |
… | …01001110001110000 |
3 | 121200021110101120121 |
4 | 12001012221301300 |
5 | 101213002102034 |
6 | 2545041020024 |
7 | 316052233324 |
oct | 60106516160 |
9 | 17607411517 |
10 | 6460972144 |
11 | 2816061000 |
12 | 1303924614 |
13 | 7bc737953 |
14 | 454125984 |
15 | 27c3421b4 |
hex | 1811a9c70 |
6460972144 has 40 divisors (see below), whose sum is σ = 13769051760. Its totient is φ = 2936795840.
The previous prime is 6460972139. The next prime is 6460972151. The reversal of 6460972144 is 4412790646.
It is a super-2 number, since 2×64609721442 = 83488322091087913472, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 6460972144.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130399 + ... + 172990.
It is an arithmetic number, because the mean of its divisors is an integer number (344226294).
Almost surely, 26460972144 is an apocalyptic number.
It is an amenable number.
6460972144 is an abundant number, since it is smaller than the sum of its proper divisors (7308079616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6460972144 is a wasteful number, since it uses less digits than its factorization.
6460972144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 303430 (or 303402 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 43.
The square root of 6460972144 is about 80380.1725800586. The cubic root of 6460972144 is about 1862.5129005548.
The spelling of 6460972144 in words is "six billion, four hundred sixty million, nine hundred seventy-two thousand, one hundred forty-four".
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