Base | Representation |
---|---|
bin | 10101010001010111… |
… | …110011100010110100 |
3 | 2011221202112210221100 |
4 | 111101113303202310 |
5 | 333234022001122 |
6 | 14254221050100 |
7 | 1435666030602 |
oct | 252127634264 |
9 | 64852483840 |
10 | 22840031412 |
11 | 9760669720 |
12 | 45150b6930 |
13 | 21ccbacab3 |
14 | 116956a872 |
15 | 8da261aac |
hex | 5515f38b4 |
22840031412 has 72 divisors (see below), whose sum is σ = 65721539520. Its totient is φ = 6620296320.
The previous prime is 22840031411. The next prime is 22840031449. The reversal of 22840031412 is 21413004822.
22840031412 is a `hidden beast` number, since 228 + 400 + 31 + 4 + 1 + 2 = 666.
It is a super-2 number, since 2×228400314122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22840031411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1244737 + ... + 1262952.
It is an arithmetic number, because the mean of its divisors is an integer number (912799160).
Almost surely, 222840031412 is an apocalyptic number.
22840031412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
22840031412 is an abundant number, since it is smaller than the sum of its proper divisors (42881508108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22840031412 is a wasteful number, since it uses less digits than its factorization.
22840031412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2507733 (or 2507728 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The spelling of 22840031412 in words is "twenty-two billion, eight hundred forty million, thirty-one thousand, four hundred twelve".
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