Base | Representation |
---|---|
bin | 10010101111011000… |
… | …011110111010000000 |
3 | 1220221100122202100120 |
4 | 102233120132322000 |
5 | 312202302100112 |
6 | 13124414420240 |
7 | 1311435504522 |
oct | 225730367200 |
9 | 56840582316 |
10 | 20122300032 |
11 | 859657192a |
12 | 3a96b01680 |
13 | 1b88b28713 |
14 | d8c63da12 |
15 | 7cb877e8c |
hex | 4af61ee80 |
20122300032 has 64 divisors (see below), whose sum is σ = 53486074560. Its totient is φ = 6702888960.
The previous prime is 20122299991. The next prime is 20122300049. The reversal of 20122300032 is 23000322102.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 20122299984 and 20122300020.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575532 + ... + 609492.
It is an arithmetic number, because the mean of its divisors is an integer number (835719915).
Almost surely, 220122300032 is an apocalyptic number.
It is an amenable number.
20122300032 is an abundant number, since it is smaller than the sum of its proper divisors (33363774528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122300032 is a wasteful number, since it uses less digits than its factorization.
20122300032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35521 (or 35509 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20122300032 its reverse (23000322102), we get a palindrome (43122622134).
The spelling of 20122300032 in words is "twenty billion, one hundred twenty-two million, three hundred thousand, thirty-two".
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