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3912889112 = 231144464649
BaseRepresentation
bin1110100100111001…
…1111001100011000
3101002200210100202222
43221032133030120
531003144422422
61444134443212
7165652002656
oct35116371430
911080710688
103912889112
1117287a6560
12912503508
134a4871802
14291959dd6
1517d7b9842
hexe939f318

3912889112 has 16 divisors (see below), whose sum is σ = 8003637000. Its totient is φ = 1778585920.

The previous prime is 3912889109. The next prime is 3912889117. The reversal of 3912889112 is 2119882193.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912889117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22232237 + ... + 22232412.

Almost surely, 23912889112 is an apocalyptic number.

It is an amenable number.

3912889112 is an abundant number, since it is smaller than the sum of its proper divisors (4090747888).

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

3912889112 is a wasteful number, since it uses less digits than its factorization.

3912889112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44464666 (or 44464662 counting only the distinct ones).

The product of its digits is 62208, while the sum is 44.

The square root of 3912889112 is about 62553.0903473202. The cubic root of 3912889112 is about 1575.7930481000.

The spelling of 3912889112 in words is "three billion, nine hundred twelve million, eight hundred eighty-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 44464649 88929298 177858596 355717192 489111139 978222278 1956444556 3912889112