Base | Representation |
---|---|
bin | 10010110000100111… |
… | …001000110100100000 |
3 | 1220222210110022011222 |
4 | 102300213020310200 |
5 | 312223041401234 |
6 | 13130432354212 |
7 | 1312105662131 |
oct | 226047106440 |
9 | 56883408158 |
10 | 20142918944 |
11 | 85a7175155 |
12 | 3aa19a5968 |
13 | 1b90197765 |
14 | d91289c88 |
15 | 7cd59c42e |
hex | 4b09c8d20 |
20142918944 has 24 divisors (see below), whose sum is σ = 39663147888. Its totient is φ = 10069738560.
The previous prime is 20142918937. The next prime is 20142918967. The reversal of 20142918944 is 44981924102.
It is a junction number, because it is equal to n+sod(n) for n = 20142918895 and 20142918904.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148079 + ... + 249425.
It is an arithmetic number, because the mean of its divisors is an integer number (1652631162).
Almost surely, 220142918944 is an apocalyptic number.
It is an amenable number.
20142918944 is a deficient number, since it is larger than the sum of its proper divisors (19520228944).
20142918944 is a wasteful number, since it uses less digits than its factorization.
20142918944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107568 (or 107560 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 44.
The spelling of 20142918944 in words is "twenty billion, one hundred forty-two million, nine hundred eighteen thousand, nine hundred forty-four".
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