Base | Representation |
---|---|
bin | 11000010011110110… |
… | …00110011010000100 |
3 | 1020200120111021200222 |
4 | 30021323012122010 |
5 | 203212123431242 |
6 | 5555024323512 |
7 | 641265660314 |
oct | 141173063204 |
9 | 36616437628 |
10 | 13051389572 |
11 | 5598195181 |
12 | 2642a73598 |
13 | 12ccc25730 |
14 | 8bb505444 |
15 | 515c035d2 |
hex | 309ec6684 |
13051389572 has 12 divisors (see below), whose sum is σ = 24596849676. Its totient is φ = 6023718240.
The previous prime is 13051389557. The next prime is 13051389601. The reversal of 13051389572 is 27598315031.
It can be written as a sum of positive squares in 2 ways, for example, as 3769223236 + 9282166336 = 61394^2 + 96344^2 .
It is a super-2 number, since 2×130513895722 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125494079 + ... + 125494182.
It is an arithmetic number, because the mean of its divisors is an integer number (2049737473).
Almost surely, 213051389572 is an apocalyptic number.
It is an amenable number.
13051389572 is a deficient number, since it is larger than the sum of its proper divisors (11545460104).
13051389572 is a wasteful number, since it uses less digits than its factorization.
13051389572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250988278 (or 250988276 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 44.
The spelling of 13051389572 in words is "thirteen billion, fifty-one million, three hundred eighty-nine thousand, five hundred seventy-two".
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