Base | Representation |
---|---|
bin | 10010101000101100… |
… | …001010100100010100 |
3 | 1220122112101021212020 |
4 | 102220230022210110 |
5 | 311440031102332 |
6 | 13105324053140 |
7 | 1305603233040 |
oct | 225054124424 |
9 | 56575337766 |
10 | 20010019092 |
11 | 8539152568 |
12 | 3a653941b0 |
13 | 1b6b7a50ab |
14 | d7b773020 |
15 | 7c1a9982c |
hex | 4a8b0a914 |
20010019092 has 48 divisors (see below), whose sum is σ = 53449267200. Its totient is φ = 5707589472.
The previous prime is 20010019069. The next prime is 20010019093. The reversal of 20010019092 is 29091001002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20010019093) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 148528 + ... + 249159.
It is an arithmetic number, because the mean of its divisors is an integer number (1113526400).
Almost surely, 220010019092 is an apocalyptic number.
It is an amenable number.
20010019092 is an abundant number, since it is smaller than the sum of its proper divisors (33439248108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010019092 is a wasteful number, since it uses less digits than its factorization.
20010019092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398300 (or 398298 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 24.
The spelling of 20010019092 in words is "twenty billion, ten million, nineteen thousand, ninety-two".
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