Base | Representation |
---|---|
bin | 11001001010001010… |
… | …11001001011000000 |
3 | 1021212022221101110000 |
4 | 30211011121023000 |
5 | 210130302311304 |
6 | 10112143240000 |
7 | 655501136466 |
oct | 144505311300 |
9 | 37768841400 |
10 | 13507072704 |
11 | 5801432704 |
12 | 274b5a9000 |
13 | 1373462118 |
14 | 921c42836 |
15 | 540c15939 |
hex | 3251592c0 |
13507072704 has 70 divisors (see below), whose sum is σ = 40039210244. Its totient is φ = 4502355840.
The previous prime is 13507072699. The next prime is 13507072717. The reversal of 13507072704 is 40727070531.
13507072704 is a `hidden beast` number, since 13 + 507 + 0 + 72 + 70 + 4 = 666.
It is a super-2 number, since 2×135070727042 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 9 ways as a sum of consecutive naturals, for example, 1297582 + ... + 1307949.
Almost surely, 213507072704 is an apocalyptic number.
It is an amenable number.
13507072704 is an abundant number, since it is smaller than the sum of its proper divisors (26532137540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13507072704 is an equidigital number, since it uses as much as digits as its factorization.
13507072704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2605555 (or 2605536 counting only the distinct ones).
The product of its (nonzero) digits is 41160, while the sum is 36.
The spelling of 13507072704 in words is "thirteen billion, five hundred seven million, seventy-two thousand, seven hundred four".
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