Base | Representation |
---|---|
bin | 11000001110001110… |
… | …11100101101010000 |
3 | 1020120021212122002021 |
4 | 30013013130231100 |
5 | 203113044414432 |
6 | 5550223101224 |
7 | 640154453323 |
oct | 140707345520 |
9 | 36507778067 |
10 | 13004294992 |
11 | 5573649337 |
12 | 262b141814 |
13 | 12c3246910 |
14 | 8b51667ba |
15 | 5119ee697 |
hex | 3071dcb50 |
13004294992 has 30 divisors (see below), whose sum is σ = 27137393738. Its totient is φ = 6001223232.
The previous prime is 13004294983. The next prime is 13004295011. The reversal of 13004294992 is 29949240031.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 9002973456 + 4001321536 = 94884^2 + 63256^2 .
It is a super-2 number, since 2×130042949922 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1640703 + ... + 1648609.
Almost surely, 213004294992 is an apocalyptic number.
It is an amenable number.
13004294992 is an abundant number, since it is smaller than the sum of its proper divisors (14133098746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13004294992 is an frugal number, since it uses more digits than its factorization.
13004294992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15835 (or 7922 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 43.
The spelling of 13004294992 in words is "thirteen billion, four million, two hundred ninety-four thousand, nine hundred ninety-two".
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