Base | Representation |
---|---|
bin | 11001001000001100… |
… | …01010011111010001 |
3 | 1021211011202021112011 |
4 | 30210012022133101 |
5 | 210112031404424 |
6 | 10110352102521 |
7 | 655210223320 |
oct | 144406123721 |
9 | 37734667464 |
10 | 13490497489 |
11 | 57a3041487 |
12 | 2745b34a41 |
13 | 136cbaa7c1 |
14 | 91d96a0b7 |
15 | 53e53e694 |
hex | 32418a7d1 |
13490497489 has 16 divisors (see below), whose sum is σ = 15669414400. Its totient is φ = 11375567424.
The previous prime is 13490497459. The next prime is 13490497511. The reversal of 13490497489 is 98479409431.
It is a cyclic number.
It is not a de Polignac number, because 13490497489 - 211 = 13490495441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13490497459) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109147 + ... + 197215.
It is an arithmetic number, because the mean of its divisors is an integer number (979338400).
Almost surely, 213490497489 is an apocalyptic number.
It is an amenable number.
13490497489 is a deficient number, since it is larger than the sum of its proper divisors (2178916911).
13490497489 is an equidigital number, since it uses as much as digits as its factorization.
13490497489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88432.
The product of its (nonzero) digits is 7838208, while the sum is 58.
The spelling of 13490497489 in words is "thirteen billion, four hundred ninety million, four hundred ninety-seven thousand, four hundred eighty-nine".
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