Base | Representation |
---|---|
bin | 111011111101011… |
… | …1100111000001000 |
3 | 12012012211021010111 |
4 | 1313322330320020 |
5 | 13110024124113 |
6 | 531350524104 |
7 | 100600141210 |
oct | 16772747010 |
9 | 5165737114 |
10 | 2011942408 |
11 | 942764123 |
12 | 481966634 |
13 | 260a99088 |
14 | 1512c7240 |
15 | bb97113d |
hex | 77ebce08 |
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".
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