Base | Representation |
---|---|
bin | 1010111000100000… |
… | …1100011111110010 |
3 | 21112121002200100112 |
4 | 2232020030133302 |
5 | 21440333241142 |
6 | 1201515221322 |
7 | 132252232202 |
oct | 25610143762 |
9 | 7477080315 |
10 | 2921383922 |
11 | 126a054a86 |
12 | 696447842 |
13 | 37731a052 |
14 | 1d9dc0402 |
15 | 121715382 |
hex | ae20c7f2 |
2921383922 has 6 divisors (see below), whose sum is σ = 4382190543. Its totient is φ = 1460653742.
The previous prime is 2921383919. The next prime is 2921383957. The reversal of 2921383922 is 2293831292.
2921383922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 1460691961 + 1460691961 = 38219^2 + 38219^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=38219.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2921383922.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57329 + ... + 95547.
Almost surely, 22921383922 is an apocalyptic number.
2921383922 is a deficient number, since it is larger than the sum of its proper divisors (1460806621).
2921383922 is an frugal number, since it uses more digits than its factorization.
2921383922 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76440 (or 38221 counting only the distinct ones).
The product of its digits is 93312, while the sum is 41.
The square root of 2921383922 is about 54049.8281403373. The cubic root of 2921383922 is about 1429.5396699154.
Multiplying 2921383922 by its product of digits (93312), we get a square (272600176529664 = 165106082).
The spelling of 2921383922 in words is "two billion, nine hundred twenty-one million, three hundred eighty-three thousand, nine hundred twenty-two".
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