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22132642620 = 22351133534307
BaseRepresentation
bin10100100111001101…
…010101001100111100
32010010110110201221110
4110213031111030330
5330311424030440
614100111202020
71412316233604
oct244715251474
963113421843
1022132642620
119428332a90
124358216310
13211948454a
1410dd62bc04
158980d0080
hex52735533c

22132642620 has 48 divisors (see below), whose sum is σ = 67605164928. Its totient is φ = 5365488960.

The previous prime is 22132642579. The next prime is 22132642621. The reversal of 22132642620 is 2624623122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132642621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16766494 + ... + 16767813.

It is an arithmetic number, because the mean of its divisors is an integer number (1408440936).

Almost surely, 222132642620 is an apocalyptic number.

22132642620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132642620 is an abundant number, since it is smaller than the sum of its proper divisors (45472522308).

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

22132642620 is a wasteful number, since it uses less digits than its factorization.

22132642620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33534330 (or 33534328 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 22132642620 in words is "twenty-two billion, one hundred thirty-two million, six hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 33534307 67068614 100602921 134137228 167671535 201205842 335343070 368877377 402411684 503014605 670686140 737754754 1006029210 1106632131 1475509508 1844386885 2012058420 2213264262 3688773770 4426528524 5533160655 7377547540 11066321310 22132642620