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22102042344 = 2331487619313
BaseRepresentation
bin10100100101011000…
…100110011011101000
32010001022220002020220
4110211120212123220
5330231110323334
614053055250040
71411465155144
oct244530463350
963038802226
1022102042344
1194120325a8
124349b19920
13211302c285
1410d9544224
15895588449
hex5256266e8

22102042344 has 32 divisors (see below), whose sum is σ = 55292353920. Its totient is φ = 7362381056.

The previous prime is 22102042337. The next prime is 22102042393. The reversal of 22102042344 is 44324020122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273969 + ... + 345344.

It is an arithmetic number, because the mean of its divisors is an integer number (1727886060).

Almost surely, 222102042344 is an apocalyptic number.

22102042344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22102042344 is an abundant number, since it is smaller than the sum of its proper divisors (33190311576).

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

22102042344 is a wasteful number, since it uses less digits than its factorization.

22102042344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620809 (or 620805 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22102042344 its reverse (44324020122), we get a palindrome (66426062466).

The spelling of 22102042344 in words is "twenty-two billion, one hundred two million, forty-two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1487 2974 4461 5948 8922 11896 17844 35688 619313 1238626 1857939 2477252 3715878 4954504 7431756 14863512 920918431 1841836862 2762755293 3683673724 5525510586 7367347448 11051021172 22102042344