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6869516813 = 28352146591
BaseRepresentation
bin1100110010111010…
…01000001000001101
3122201202012121111122
412121131020020031
5103032044014223
63053353330325
7332142633545
oct63135101015
918652177448
106869516813
112a05732725
1213b87069a5
1385627b563
144924b2325
152a31425c8
hex19974820d

6869516813 has 8 divisors (see below), whose sum is σ = 6907170816. Its totient is φ = 6831957600.

The previous prime is 6869516809. The next prime is 6869516821. The reversal of 6869516813 is 3186159686.

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 6869516813 - 22 = 6869516809 is a prime.

It is a super-2 number, since 2×68695168132 = 94380522488179353938, which 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 (6869516803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124148 + ... + 170738.

It is an arithmetic number, because the mean of its divisors is an integer number (863396352).

Almost surely, 26869516813 is an apocalyptic number.

It is an amenable number.

6869516813 is a deficient number, since it is larger than the sum of its proper divisors (37654003).

6869516813 is a wasteful number, since it uses less digits than its factorization.

6869516813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47395.

The product of its digits is 1866240, while the sum is 53.

The square root of 6869516813 is about 82882.5483017987. The cubic root of 6869516813 is about 1900.9705856397.

The spelling of 6869516813 in words is "six billion, eight hundred sixty-nine million, five hundred sixteen thousand, eight hundred thirteen".

Divisors: 1 283 521 46591 147443 13185253 24273911 6869516813