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2668768932 = 223222397411
BaseRepresentation
bin1001111100010010…
…0010111010100100
320212222202111201210
42133010202322210
520431201101212
61120452551420
7123064106304
oct23704427244
96788674653
102668768932
11114a4a5665
12625922570
13336ba031b
141b4623604
1510946653c
hex9f122ea4

2668768932 has 12 divisors (see below), whose sum is σ = 6227127536. Its totient is φ = 889589640.

The previous prime is 2668768931. The next prime is 2668768961. The reversal of 2668768932 is 2398678662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26687689322 = 14244655224816841248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2668768931) 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, 111198694 + ... + 111198717.

Almost surely, 22668768932 is an apocalyptic number.

It is an amenable number.

2668768932 is an abundant number, since it is smaller than the sum of its proper divisors (3558358604).

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

2668768932 is a wasteful number, since it uses less digits than its factorization.

2668768932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222397418 (or 222397416 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The square root of 2668768932 is about 51660.1290358435. The cubic root of 2668768932 is about 1387.0868603257.

The spelling of 2668768932 in words is "two billion, six hundred sixty-eight million, seven hundred sixty-eight thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 222397411 444794822 667192233 889589644 1334384466 2668768932