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3912939368 = 2313172213201
BaseRepresentation
bin1110100100111010…
…1011011101101000
3101002200212220201022
43221032223131220
531003203024433
61444135512012
7165652302332
oct35116533550
911080786638
103912939368
111728830298
12912528608
134a488b650
14291970452
1517d7c9698
hexe93ab768

3912939368 has 32 divisors (see below), whose sum is σ = 8365903560. Its totient is φ = 1699737600.

The previous prime is 3912939313. The next prime is 3912939397. The reversal of 3912939368 is 8639392193.

It can be written as a sum of positive squares in 4 ways, for example, as 3826412164 + 86527204 = 61858^2 + 9302^2 .

It is a super-2 number, since 2×39129393682 = 30622188995288478848, which contains 22 as substring.

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, 1104833 + ... + 1108368.

Almost surely, 23912939368 is an apocalyptic number.

It is an amenable number.

3912939368 is an abundant number, since it is smaller than the sum of its proper divisors (4452964192).

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

3912939368 is a wasteful number, since it uses less digits than its factorization.

3912939368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213237 (or 2213233 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 53.

The square root of 3912939368 is about 62553.4920528023. The cubic root of 3912939368 is about 1575.7997944124.

The spelling of 3912939368 in words is "three billion, nine hundred twelve million, nine hundred thirty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 2213201 4426402 8852804 17705608 28771613 37624417 57543226 75248834 115086452 150497668 230172904 300995336 489117421 978234842 1956469684 3912939368