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2011942408 = 237311158953
BaseRepresentation
bin111011111101011…
…1100111000001000
312012012211021010111
41313322330320020
513110024124113
6531350524104
7100600141210
oct16772747010
95165737114
102011942408
11942764123
12481966634
13260a99088
141512c7240
15bb97113d
hex77ebce08

2011942408 has 32 divisors (see below), whose sum is σ = 4450383360. Its totient is φ = 834445440.

The previous prime is 2011942399. The next prime is 2011942417. The reversal of 2011942408 is 8042491102.

It is an interprime number because it is at equal distance from previous prime (2011942399) and next prime (2011942417).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 2011942408.

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, 577741 + ... + 581212.

It is an arithmetic number, because the mean of its divisors is an integer number (139074480).

Almost surely, 22011942408 is an apocalyptic number.

2011942408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2011942408 is an abundant number, since it is smaller than the sum of its proper divisors (2438440952).

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

2011942408 is a wasteful number, since it uses less digits than its factorization.

2011942408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158997 (or 1158993 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2011942408 is about 44854.6810043277. The cubic root of 2011942408 is about 1262.4238234991.

The spelling of 2011942408 in words is "two billion, eleven million, nine hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 1158953 2317906 4635812 8112671 9271624 16225342 32450684 35927543 64901368 71855086 143710172 251492801 287420344 502985602 1005971204 2011942408