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22113133040 = 245354777929
BaseRepresentation
bin10100100110000010…
…111010000111110000
32010002002202112211102
4110212002322013300
5330241430224130
614054133103532
71411661346425
oct244602720760
963062675742
1022113133040
119418318169
124351787ba8
13211541340b
1410dabcdd4c
15896529645
hex5260ba1f0

22113133040 has 40 divisors (see below), whose sum is σ = 51428189040. Its totient is φ = 8842646016.

The previous prime is 22113132961. The next prime is 22113133093. The reversal of 22113133040 is 4033131122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 244796 + ... + 322724.

It is an arithmetic number, because the mean of its divisors is an integer number (1285704726).

Almost surely, 222113133040 is an apocalyptic number.

22113133040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113133040 is an abundant number, since it is smaller than the sum of its proper divisors (29315056000).

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

22113133040 is a wasteful number, since it uses less digits than its factorization.

22113133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81489 (or 81483 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22113133040 its reverse (4033131122), we get a palindrome (26146264162).

The spelling of 22113133040 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3547 7094 14188 17735 28376 35470 56752 70940 77929 141880 155858 283760 311716 389645 623432 779290 1246864 1558580 3117160 6234320 276414163 552828326 1105656652 1382070815 2211313304 2764141630 4422626608 5528283260 11056566520 22113133040