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22181977134 = 2327011757963
BaseRepresentation
bin10100101010001001…
…100001110000101110
32010020220022012011200
4110222021201300232
5330412041232014
614105032430330
71413455460162
oct245211416056
963226265150
1022181977134
119453169809
1243708483a6
132126768a75
141105dd0ca2
1589c5c7a09
hex52a261c2e

22181977134 has 24 divisors (see below), whose sum is σ = 48129538392. Its totient is φ = 7383440400.

The previous prime is 22181977117. The next prime is 22181977187. The reversal of 22181977134 is 43177918122.

22181977134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 22181977134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 866364 + ... + 891599.

It is an arithmetic number, because the mean of its divisors is an integer number (2005397433).

Almost surely, 222181977134 is an apocalyptic number.

22181977134 is an abundant number, since it is smaller than the sum of its proper divisors (25947561258).

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

22181977134 is a wasteful number, since it uses less digits than its factorization.

22181977134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758672 (or 1758669 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The spelling of 22181977134 in words is "twenty-two billion, one hundred eighty-one million, nine hundred seventy-seven thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 701 1402 2103 4206 6309 12618 1757963 3515926 5273889 10547778 15821667 31643334 1232332063 2464664126 3696996189 7393992378 11090988567 22181977134