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22720169135 = 55979775991
BaseRepresentation
bin10101001010001110…
…100100010010101111
32011122102000011210202
4111022032210102233
5333012330403020
614234300024115
71433012152106
oct251216442257
964572004722
1022720169135
1196a9a41394
1244a0b3203b
1321b1103781
14115768903d
158ce986e75
hex54a3a44af

22720169135 has 8 divisors (see below), whose sum is σ = 27265017696. Its totient is φ = 18175592160.

The previous prime is 22720169123. The next prime is 22720169141. The reversal of 22720169135 is 53196102722.

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

It is not a de Polignac number, because 22720169135 - 26 = 22720169071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260990 + ... + 336980.

It is an arithmetic number, because the mean of its divisors is an integer number (3408127212).

Almost surely, 222720169135 is an apocalyptic number.

22720169135 is a deficient number, since it is larger than the sum of its proper divisors (4544848561).

22720169135 is an equidigital number, since it uses as much as digits as its factorization.

22720169135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135793.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 22720169135 in words is "twenty-two billion, seven hundred twenty million, one hundred sixty-nine thousand, one hundred thirty-five".

Divisors: 1 5 59797 75991 298985 379955 4544033827 22720169135