Search a number
-
+
68469696486 = 23218792024413
BaseRepresentation
bin111111110001000111…
…001010011111100110
320112201202210222002200
4333301013022133212
52110211220241421
651242103115330
74642512550242
oct776107123746
9215652728080
1068469696486
11270463a4424
121132a442b46
1365c23a5209
1434576a5422
151bab0cc726
hexff11ca7e6

68469696486 has 24 divisors (see below), whose sum is σ = 148430034480. Its totient is φ = 22811074416.

The previous prime is 68469696479. The next prime is 68469696517.

68469696486 is a `hidden beast` number, since 6 + 84 + 6 + 9 + 69 + 6 + 486 = 666.

68469696486 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978385 + ... + 1046028.

It is an arithmetic number, because the mean of its divisors is an integer number (6184584770).

Almost surely, 268469696486 is an apocalyptic number.

68469696486 is an abundant number, since it is smaller than the sum of its proper divisors (79960337994).

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

68469696486 is a wasteful number, since it uses less digits than its factorization.

68469696486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026300 (or 2026297 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 72.

The spelling of 68469696486 in words is "sixty-eight billion, four hundred sixty-nine million, six hundred ninety-six thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 1879 3758 5637 11274 16911 33822 2024413 4048826 6073239 12146478 18219717 36439434 3803872027 7607744054 11411616081 22823232162 34234848243 68469696486