Base | Representation |
---|---|
bin | 10100101000011101… |
… | …000011001101001111 |
3 | 2010011220210110100110 |
4 | 110220131003031033 |
5 | 330332301243211 |
6 | 14102135131103 |
7 | 1412661662301 |
oct | 245035031517 |
9 | 63156713313 |
10 | 22153540431 |
11 | 9439106900 |
12 | 4363213a93 |
13 | 21208c0509 |
14 | 110230b971 |
15 | 899d5bea6 |
hex | 52874334f |
22153540431 has 48 divisors (see below), whose sum is σ = 32852383200. Its totient is φ = 13268217600.
The previous prime is 22153540417. The next prime is 22153540441. The reversal of 22153540431 is 13404535122.
It is not a de Polignac number, because 22153540431 - 25 = 22153540399 is a prime.
It is a super-2 number, since 2×221535404312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22153540411) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 11365645 + ... + 11367593.
It is an arithmetic number, because the mean of its divisors is an integer number (684424650).
Almost surely, 222153540431 is an apocalyptic number.
22153540431 is a deficient number, since it is larger than the sum of its proper divisors (10698842769).
22153540431 is a wasteful number, since it uses less digits than its factorization.
22153540431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2328 (or 2317 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The spelling of 22153540431 in words is "twenty-two billion, one hundred fifty-three million, five hundred forty thousand, four hundred thirty-one".
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