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1145415612 = 223118677391
BaseRepresentation
bin100010001000101…
…1010011110111100
32221211022010211110
41010101122132330
54321211244422
6305354122020
740245605055
oct10421323674
92854263743
101145415612
11538614780
1227b720310
131533c2523
14ac1a172c
156a85760c
hex4445a7bc

1145415612 has 24 divisors (see below), whose sum is σ = 2915603712. Its totient is φ = 347095600.

The previous prime is 1145415611. The next prime is 1145415619. The reversal of 1145415612 is 2165145411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145415612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145415611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4338564 + ... + 4338827.

It is an arithmetic number, because the mean of its divisors is an integer number (121483488).

Almost surely, 21145415612 is an apocalyptic number.

1145415612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145415612 is an abundant number, since it is smaller than the sum of its proper divisors (1770188100).

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

1145415612 is a wasteful number, since it uses less digits than its factorization.

1145415612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677409 (or 8677407 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1145415612 is about 33843.9893038631. The cubic root of 1145415612 is about 1046.2955207445.

The spelling of 1145415612 in words is "one billion, one hundred forty-five million, four hundred fifteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 8677391 17354782 26032173 34709564 52064346 95451301 104128692 190902602 286353903 381805204 572707806 1145415612