Base | Representation |
---|---|
bin | 10001111010110110… |
… | …011110101010001100 |
3 | 1211122221021121001120 |
4 | 101322312132222030 |
5 | 303401142032032 |
6 | 12501132440540 |
7 | 1250544361023 |
oct | 217266365214 |
9 | 54587247046 |
10 | 19240970892 |
11 | 8184032240 |
12 | 388b919150 |
13 | 1a7836b4a0 |
14 | d075838ba |
15 | 7792d862c |
hex | 47ad9ea8c |
19240970892 has 48 divisors (see below), whose sum is σ = 52744484352. Its totient is φ = 5382089280.
The previous prime is 19240970869. The next prime is 19240970897. The reversal of 19240970892 is 29807904291.
It is not an unprimeable number, because it can be changed into a prime (19240970897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604628 + ... + 5608059.
It is an arithmetic number, because the mean of its divisors is an integer number (1098843424).
Almost surely, 219240970892 is an apocalyptic number.
19240970892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19240970892 is an abundant number, since it is smaller than the sum of its proper divisors (33503513460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19240970892 is a wasteful number, since it uses less digits than its factorization.
19240970892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11212718 (or 11212716 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 51.
The spelling of 19240970892 in words is "nineteen billion, two hundred forty million, nine hundred seventy thousand, eight hundred ninety-two".
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