Base | Representation |
---|---|
bin | 11001001000001100… |
… | …01010011111010000 |
3 | 1021211011202021112010 |
4 | 30210012022133100 |
5 | 210112031404423 |
6 | 10110352102520 |
7 | 655210223316 |
oct | 144406123720 |
9 | 37734667463 |
10 | 13490497488 |
11 | 57a3041486 |
12 | 2745b34a40 |
13 | 136cbaa7c0 |
14 | 91d96a0b6 |
15 | 53e53e693 |
hex | 32418a7d0 |
13490497488 has 160 divisors (see below), whose sum is σ = 38078951680. Its totient is φ = 4090798080.
The previous prime is 13490497459. The next prime is 13490497511. The reversal of 13490497488 is 88479409431.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16391445 + ... + 16392267.
It is an arithmetic number, because the mean of its divisors is an integer number (237993448).
Almost surely, 213490497488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13490497488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19039475840).
13490497488 is an abundant number, since it is smaller than the sum of its proper divisors (24588454192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13490497488 is a wasteful number, since it uses less digits than its factorization.
13490497488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1197 (or 1191 counting only the distinct ones).
The product of its (nonzero) digits is 6967296, while the sum is 57.
The spelling of 13490497488 in words is "thirteen billion, four hundred ninety million, four hundred ninety-seven thousand, four hundred eighty-eight".
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