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13490497489 = 77927788069
BaseRepresentation
bin11001001000001100…
…01010011111010001
31021211011202021112011
430210012022133101
5210112031404424
610110352102521
7655210223320
oct144406123721
937734667464
1013490497489
1157a3041487
122745b34a41
13136cbaa7c1
1491d96a0b7
1553e53e694
hex32418a7d1

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".

Divisors: 1 7 79 277 553 1939 21883 88069 153181 616483 6957451 24395113 48702157 170765791 1927213927 13490497489