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1057912312 = 231767116101
BaseRepresentation
bin111111000011100…
…111010111111000
32201201122111212111
4333003213113320
54131311143222
6252550422104
735134051312
oct7703472770
92651574774
101057912312
114a31891a6
12256361934
1313b235b22
14a07047b2
1562d20777
hex3f0e75f8

1057912312 has 32 divisors (see below), whose sum is σ = 2131632720. Its totient is φ = 490406400.

The previous prime is 1057912291. The next prime is 1057912319. The reversal of 1057912312 is 2132197501.

It is a super-2 number, since 2×10579123122 = 2238356919762370688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057912319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48939 + ... + 67162.

Almost surely, 21057912312 is an apocalyptic number.

It is an amenable number.

1057912312 is an abundant number, since it is smaller than the sum of its proper divisors (1073720408).

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

1057912312 is a wasteful number, since it uses less digits than its factorization.

1057912312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116191 (or 116187 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1057912312 is about 32525.5639766630. The cubic root of 1057912312 is about 1018.9430008986.

The spelling of 1057912312 in words is "one billion, fifty-seven million, nine hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 67 68 134 136 268 536 1139 2278 4556 9112 116101 232202 464404 928808 1973717 3947434 7778767 7894868 15557534 15789736 31115068 62230136 132239039 264478078 528956156 1057912312