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6509234961 = 326431124803
BaseRepresentation
bin1100000111111101…
…10000101100010001
3121210122021101201100
412003332300230101
5101312331004321
62553523255013
7320206404255
oct60376605421
917718241640
106509234961
112840325629
121317b1a469
137c9735428
1445a6ca265
152816c7326
hex183fb0b11

6509234961 has 12 divisors (see below), whose sum is σ = 9416859088. Its totient is φ = 4332737304.

The previous prime is 6509234929. The next prime is 6509234999. The reversal of 6509234961 is 1694329056.

It is not a de Polignac number, because 6509234961 - 25 = 6509234929 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6509234461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556615 + ... + 568188.

Almost surely, 26509234961 is an apocalyptic number.

It is an amenable number.

6509234961 is a deficient number, since it is larger than the sum of its proper divisors (2907624127).

6509234961 is a wasteful number, since it uses less digits than its factorization.

6509234961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125452 (or 1125449 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 6509234961 is about 80679.8299514817. The cubic root of 6509234961 is about 1867.1389959333.

The spelling of 6509234961 in words is "six billion, five hundred nine million, two hundred thirty-four thousand, nine hundred sixty-one".

Divisors: 1 3 9 643 1929 5787 1124803 3374409 10123227 723248329 2169744987 6509234961