Base | Representation |
---|---|
bin | 10100110111001110… |
… | …010010110011100010 |
3 | 2010211012001111021210 |
4 | 110313032102303202 |
5 | 331334220033102 |
6 | 14142510130550 |
7 | 1422061111113 |
oct | 246716226342 |
9 | 63735044253 |
10 | 22401330402 |
11 | 9555a70100 |
12 | 44121b0a56 |
13 | 216003acb9 |
14 | 11271b020a |
15 | 8b19a636c |
hex | 537392ce2 |
22401330402 has 24 divisors (see below), whose sum is σ = 49245901488. Its totient is φ = 6788281720.
The previous prime is 22401330379. The next prime is 22401330403. The reversal of 22401330402 is 20403310422.
It is not an unprimeable number, because it can be changed into a prime (22401330403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15427188 + ... + 15428639.
It is an arithmetic number, because the mean of its divisors is an integer number (2051912562).
Almost surely, 222401330402 is an apocalyptic number.
22401330402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
22401330402 is an abundant number, since it is smaller than the sum of its proper divisors (26844571086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22401330402 is a wasteful number, since it uses less digits than its factorization.
22401330402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30855854 (or 30855843 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 22401330402 its reverse (20403310422), we get a palindrome (42804640824).
The spelling of 22401330402 in words is "twenty-two billion, four hundred one million, three hundred thirty thousand, four hundred two".
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