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1085696412 = 22390474701
BaseRepresentation
bin100000010110110…
…0110100110011100
32210122221002111020
41000231212212130
54210414241122
6255422124140
735622160443
oct10055464634
92718832436
101085696412
11507935869
12263720650
13143c13318
14a4297d5a
15654acc5c
hex40b6699c

1085696412 has 12 divisors (see below), whose sum is σ = 2533291656. Its totient is φ = 361898800.

The previous prime is 1085696401. The next prime is 1085696413. The reversal of 1085696412 is 2146965801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085696413) 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, 45237339 + ... + 45237362.

It is an arithmetic number, because the mean of its divisors is an integer number (211107638).

Almost surely, 21085696412 is an apocalyptic number.

1085696412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1085696412 is an abundant number, since it is smaller than the sum of its proper divisors (1447595244).

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

1085696412 is a wasteful number, since it uses less digits than its factorization.

1085696412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90474708 (or 90474706 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1085696412 is about 32949.9076174729. The cubic root of 1085696412 is about 1027.7862442710.

The spelling of 1085696412 in words is "one billion, eighty-five million, six hundred ninety-six thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 90474701 180949402 271424103 361898804 542848206 1085696412