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2140112646 = 232716985021
BaseRepresentation
bin111111110001111…
…1000011100000110
312112010222222122100
41333203320130012
513340332101041
6552210012530
7104014441320
oct17743703406
95463888570
102140112646
119a9046341
124b8877146
132814c3a59
1416432c610
15c7d3c6b6
hex7f8f8706

2140112646 has 24 divisors (see below), whose sum is σ = 5299326864. Its totient is φ = 611460720.

The previous prime is 2140112627. The next prime is 2140112669. The reversal of 2140112646 is 6462110412.

2140112646 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 1 + 12 + 646 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8492385 + ... + 8492636.

It is an arithmetic number, because the mean of its divisors is an integer number (220805286).

Almost surely, 22140112646 is an apocalyptic number.

2140112646 is an abundant number, since it is smaller than the sum of its proper divisors (3159214218).

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

2140112646 is a wasteful number, since it uses less digits than its factorization.

2140112646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16985036 (or 16985033 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2140112646 is about 46261.3515366769. The cubic root of 2140112646 is about 1288.6813530882.

The spelling of 2140112646 in words is "two billion, one hundred forty million, one hundred twelve thousand, six hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 16985021 33970042 50955063 101910126 118895147 152865189 237790294 305730378 356685441 713370882 1070056323 2140112646