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6481298613 = 313715769583
BaseRepresentation
bin1100000100101000…
…01100010010110101
3121201200201002020210
412002110030102311
5101233203023423
62551044420033
7316420062216
oct60224142265
917650632223
106481298613
112826584639
12130a6a7619
137c3a0384a
14456ad740d
1527e009b93
hex18250c4b5

6481298613 has 8 divisors (see below), whose sum is σ = 8704810368. Its totient is φ = 4289326304.

The previous prime is 6481298591. The next prime is 6481298647. The reversal of 6481298613 is 3168921846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6481298613 - 213 = 6481290421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481298693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7884381 + ... + 7885202.

It is an arithmetic number, because the mean of its divisors is an integer number (1088101296).

Almost surely, 26481298613 is an apocalyptic number.

It is an amenable number.

6481298613 is a deficient number, since it is larger than the sum of its proper divisors (2223511755).

6481298613 is a wasteful number, since it uses less digits than its factorization.

6481298613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15769723.

The product of its digits is 497664, while the sum is 48.

The square root of 6481298613 is about 80506.5128607618. The cubic root of 6481298613 is about 1864.4640351466.

The spelling of 6481298613 in words is "six billion, four hundred eighty-one million, two hundred ninety-eight thousand, six hundred thirteen".

Divisors: 1 3 137 411 15769583 47308749 2160432871 6481298613