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3806860825253 = 24171575035509
BaseRepresentation
bin110111011001011010100…
…101100101001010100101
3111110221011200021001100202
4313121122211211022211
5444332422332402003
612032503035120245
7542015363053103
oct67313245451245
914427150231322
103806860825253
111238531766a92
12515965ba3085
13217ca7003995
14d237850ac73
156905a00d088
hex3765a9652a5

3806860825253 has 4 divisors (see below), whose sum is σ = 3808435863180. Its totient is φ = 3805285787328.

The previous prime is 3806860825247. The next prime is 3806860825277. The reversal of 3806860825253 is 3525280686083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2663368512289 + 1143492312964 = 1631983^2 + 1069342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806860825253 - 28 = 3806860824997 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 (3806860825213) 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, 787515338 + ... + 787520171.

It is an arithmetic number, because the mean of its divisors is an integer number (952108965795).

Almost surely, 23806860825253 is an apocalyptic number.

It is an amenable number.

3806860825253 is a deficient number, since it is larger than the sum of its proper divisors (1575037927).

3806860825253 is a wasteful number, since it uses less digits than its factorization.

3806860825253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575037926.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 3806860825253 in words is "three trillion, eight hundred six billion, eight hundred sixty million, eight hundred twenty-five thousand, two hundred fifty-three".

Divisors: 1 2417 1575035509 3806860825253