Search a number
-
+
6853858851357 = 327108791410339
BaseRepresentation
bin110001110111100100111…
…0100100111101000011101
3220021020000012121102102100
41203233021310213220131
51344243200331220412
622324341433315313
71305114003666360
oct143571164475035
926236005542370
106853858851357
112202783707351
129283a7565b39
133a941567a78b
14199a2b1760d7
15bd4407b2edc
hex63bc9d27a1d

6853858851357 has 12 divisors (see below), whose sum is σ = 11314306675360. Its totient is φ = 3916490772168.

The previous prime is 6853858851311. The next prime is 6853858851377. The reversal of 6853858851357 is 7531588583586.

6853858851357 is a `hidden beast` number, since 6 + 8 + 5 + 3 + 8 + 58 + 8 + 513 + 57 = 666.

It is not a de Polignac number, because 6853858851357 - 212 = 6853858847261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853858851377) 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, 54395705107 + ... + 54395705232.

Almost surely, 26853858851357 is an apocalyptic number.

It is an amenable number.

6853858851357 is a deficient number, since it is larger than the sum of its proper divisors (4460447824003).

6853858851357 is a wasteful number, since it uses less digits than its factorization.

6853858851357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108791410352 (or 108791410349 counting only the distinct ones).

The product of its digits is 967680000, while the sum is 72.

The spelling of 6853858851357 in words is "six trillion, eight hundred fifty-three billion, eight hundred fifty-eight million, eight hundred fifty-one thousand, three hundred fifty-seven".

Divisors: 1 3 7 9 21 63 108791410339 326374231017 761539872373 979122693051 2284619617119 6853858851357