Base | Representation |
---|---|
bin | 10111011010101010… |
… | …10010001111101100 |
3 | 1012110010220021021001 |
4 | 23231111102033230 |
5 | 201221324331130 |
6 | 5435251250044 |
7 | 623352544660 |
oct | 135525221754 |
9 | 35403807231 |
10 | 12571714540 |
11 | 5371450230 |
12 | 252a2a9924 |
13 | 1254738958 |
14 | 8739208a0 |
15 | 4d8a526ca |
hex | 2ed5523ec |
12571714540 has 96 divisors (see below), whose sum is σ = 34851285504. Its totient is φ = 3687951360.
The previous prime is 12571714537. The next prime is 12571714559. The reversal of 12571714540 is 4541717521.
It is a self number, because there is not a number n which added to its sum of digits gives 12571714540.
It is an unprimeable number.
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, 213922 + ... + 266281.
It is an arithmetic number, because the mean of its divisors is an integer number (363034224).
Almost surely, 212571714540 is an apocalyptic number.
12571714540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12571714540 is an abundant number, since it is smaller than the sum of its proper divisors (22279570964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12571714540 is a wasteful number, since it uses less digits than its factorization.
12571714540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480247 (or 480245 counting only the distinct ones).
The product of its (nonzero) digits is 39200, while the sum is 37.
The spelling of 12571714540 in words is "twelve billion, five hundred seventy-one million, seven hundred fourteen thousand, five hundred forty".
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