Base | Representation |
---|---|
bin | 10100111000110100… |
… | …101111000011111111 |
3 | 2010220001120211122021 |
4 | 110320310233003333 |
5 | 331413103403311 |
6 | 14145305501011 |
7 | 1422535265653 |
oct | 247064570377 |
9 | 63801524567 |
10 | 22428184831 |
11 | 956a142248 |
12 | 441b1a1767 |
13 | 21657812b0 |
14 | 112a9a0a63 |
15 | 8b400d171 |
hex | 538d2f0ff |
22428184831 has 8 divisors (see below), whose sum is σ = 24158438640. Its totient is φ = 20698646592.
The previous prime is 22428184811. The next prime is 22428184841. The reversal of 22428184831 is 13848182422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22428184831 - 225 = 22394630399 is a prime.
It is a super-2 number, since 2×224281848312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22428184811) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112885 + ... + 239998.
It is an arithmetic number, because the mean of its divisors is an integer number (3019804830).
Almost surely, 222428184831 is an apocalyptic number.
22428184831 is a deficient number, since it is larger than the sum of its proper divisors (1730253809).
22428184831 is a wasteful number, since it uses less digits than its factorization.
22428184831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 357785.
The product of its digits is 196608, while the sum is 43.
The spelling of 22428184831 in words is "twenty-two billion, four hundred twenty-eight million, one hundred eighty-four thousand, eight hundred thirty-one".
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