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3869637498894 = 231793603014431
BaseRepresentation
bin111000010011111000010…
…111100101100000001110
3111200221012200122111021110
4320103320113211200032
51001400004144431034
612121404213112450
7546400140014166
oct70237027454016
914627180574243
103869637498894
11126211653a052
12525b65928726
13220b9cab190b
14d5411a715a6
156a9d13ddde9
hex384f85e580e

3869637498894 has 16 divisors (see below), whose sum is σ = 7782511173120. Its totient is φ = 1282673137080.

The previous prime is 3869637498889. The next prime is 3869637498901. The reversal of 3869637498894 is 4988947369683.

It is a super-2 number, since 2×38696374988942 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801506142 + ... + 1801508289.

It is an arithmetic number, because the mean of its divisors is an integer number (486406948320).

Almost surely, 23869637498894 is an apocalyptic number.

3869637498894 is an abundant number, since it is smaller than the sum of its proper divisors (3912873674226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869637498894 is a wasteful number, since it uses less digits than its factorization.

3869637498894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603014615.

The product of its digits is 13544423424, while the sum is 84.

The spelling of 3869637498894 in words is "three trillion, eight hundred sixty-nine billion, six hundred thirty-seven million, four hundred ninety-eight thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 179 358 537 1074 3603014431 7206028862 10809043293 21618086586 644939583149 1289879166298 1934818749447 3869637498894