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22140251131 = 471193394861
BaseRepresentation
bin10100100111101010…
…010110101111111011
32010010222210021212011
4110213222112233323
5330320401014011
614100542230351
71412441013055
oct244752265773
963128707764
1022140251131
11943165a409
12435a8853b7
13211ac1971b
14110064c8d5
15898ad4621
hex527a96bfb

22140251131 has 8 divisors (see below), whose sum is σ = 22630330944. Its totient is φ = 21650963520.

The previous prime is 22140251129. The next prime is 22140251137. The reversal of 22140251131 is 13115204122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22140251131 - 21 = 22140251129 is a prime.

It is a super-2 number, since 2×221402511312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140251137) 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, 141360 + ... + 253501.

It is an arithmetic number, because the mean of its divisors is an integer number (2828791368).

Almost surely, 222140251131 is an apocalyptic number.

22140251131 is a deficient number, since it is larger than the sum of its proper divisors (490079813).

22140251131 is a wasteful number, since it uses less digits than its factorization.

22140251131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396101.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 22140251131 its reverse (13115204122), we get a palindrome (35255455253).

The spelling of 22140251131 in words is "twenty-two billion, one hundred forty million, two hundred fifty-one thousand, one hundred thirty-one".

Divisors: 1 47 1193 56071 394861 18558467 471069173 22140251131