Base | Representation |
---|---|
bin | 10011111100111001… |
… | …111000111000001011 |
3 | 2001021222222012221021 |
4 | 103330321320320023 |
5 | 322333230342140 |
6 | 13501435053311 |
7 | 1355610445360 |
oct | 237471707013 |
9 | 61258865837 |
10 | 21422902795 |
11 | 90a3740a48 |
12 | 419a5a1237 |
13 | 2035414b58 |
14 | 107327a467 |
15 | 855b36b4a |
hex | 4fce78e0b |
21422902795 has 32 divisors (see below), whose sum is σ = 29615579136. Its totient is φ = 14572656000.
The previous prime is 21422902783. The next prime is 21422902847. The reversal of 21422902795 is 59720922412.
It is not a de Polignac number, because 21422902795 - 211 = 21422900747 is a prime.
It is a super-3 number, since 3×214229027953 (a number of 32 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2336470 + ... + 2345620.
It is an arithmetic number, because the mean of its divisors is an integer number (925486848).
Almost surely, 221422902795 is an apocalyptic number.
21422902795 is a deficient number, since it is larger than the sum of its proper divisors (8192676341).
21422902795 is a wasteful number, since it uses less digits than its factorization.
21422902795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9691.
The product of its (nonzero) digits is 181440, while the sum is 43.
The spelling of 21422902795 in words is "twenty-one billion, four hundred twenty-two million, nine hundred two thousand, seven hundred ninety-five".
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