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22169990380 = 2253135758049
BaseRepresentation
bin10100101001011011…
…110011010011101100
32010020001202012102211
4110221123303103230
5330401004143010
614103523500204
71413251544316
oct245133632354
963201665384
1022169990380
1194474219aa
124368827664
13212412cb05
1411045907b6
1589b50b08a
hex5296f34ec

22169990380 has 24 divisors (see below), whose sum is σ = 48058819200. Its totient is φ = 8581931520.

The previous prime is 22169990371. The next prime is 22169990389. The reversal of 22169990380 is 8309996122.

It is an interprime number because it is at equal distance from previous prime (22169990371) and next prime (22169990389).

It is not an unprimeable number, because it can be changed into a prime (22169990389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17878405 + ... + 17879644.

It is an arithmetic number, because the mean of its divisors is an integer number (2002450800).

Almost surely, 222169990380 is an apocalyptic number.

22169990380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22169990380 is an abundant number, since it is smaller than the sum of its proper divisors (25888828820).

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

22169990380 is a wasteful number, since it uses less digits than its factorization.

22169990380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35758089 (or 35758087 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 22169990380 in words is "twenty-two billion, one hundred sixty-nine million, nine hundred ninety thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 35758049 71516098 143032196 178790245 357580490 715160980 1108499519 2216999038 4433998076 5542497595 11084995190 22169990380