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22140040302 = 2321279685057
BaseRepresentation
bin10100100111101001…
…100011010001101110
32010010222101120122200
4110213221203101232
5330320322242202
614100533522330
71412436144312
oct244751432156
963128346580
1022140040302
119431525a76
12435a7a33a6
13211ab74783
1411005d5b42
15898a91e1c
hex527a6346e

22140040302 has 24 divisors (see below), whose sum is σ = 48347809536. Its totient is φ = 7321902336.

The previous prime is 22140040291. The next prime is 22140040309. The reversal of 22140040302 is 20304004122.

22140040302 is a `hidden beast` number, since 221 + 40 + 0 + 403 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140040309) 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, 4840243 + ... + 4844814.

It is an arithmetic number, because the mean of its divisors is an integer number (2014492064).

Almost surely, 222140040302 is an apocalyptic number.

22140040302 is an abundant number, since it is smaller than the sum of its proper divisors (26207769234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22140040302 is a wasteful number, since it uses less digits than its factorization.

22140040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685192 (or 9685189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22140040302 its reverse (20304004122), we get a palindrome (42444044424).

The spelling of 22140040302 in words is "twenty-two billion, one hundred forty million, forty thousand, three hundred two".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 9685057 19370114 29055171 58110342 87165513 174331026 1230002239 2460004478 3690006717 7380013434 11070020151 22140040302