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6698507670613 = 11608955242783
BaseRepresentation
bin110000101111001111000…
…1010111001010001010101
3212201101000111221202120101
41201132132022321101111
51334222020430424423
622125130230334101
71260644156515153
oct141363612712125
925641014852511
106698507670613
112152903a4a980
129022707ba331
13397888591ca5
141922d0c2a3d3
15b939c00d7ad
hex6179e2b9455

6698507670613 has 4 divisors (see below), whose sum is σ = 7307462913408. Its totient is φ = 6089552427820.

The previous prime is 6698507670581. The next prime is 6698507670637. The reversal of 6698507670613 is 3160767058966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6698507670613 - 25 = 6698507670581 is a prime.

It is a super-2 number, since 2×66985076706132 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698507670653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304477621381 + ... + 304477621402.

It is an arithmetic number, because the mean of its divisors is an integer number (1826865728352).

Almost surely, 26698507670613 is an apocalyptic number.

It is an amenable number.

6698507670613 is a deficient number, since it is larger than the sum of its proper divisors (608955242795).

6698507670613 is a wasteful number, since it uses less digits than its factorization.

6698507670613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608955242794.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 6698507670613 in words is "six trillion, six hundred ninety-eight billion, five hundred seven million, six hundred seventy thousand, six hundred thirteen".

Divisors: 1 11 608955242783 6698507670613