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22103023122 = 233881464603
BaseRepresentation
bin10100100101011100…
…010101111000010010
32010001101201220122000
4110211130111320102
5330231333214442
614053132254430
71411506411435
oct244534257022
963041656560
1022103023122
119412642464
12434a311416
1321132b380b
1410d971b81c
158956cdd4c
hex525715e12

22103023122 has 32 divisors (see below), whose sum is σ = 49173687360. Its totient is φ = 7359295680.

The previous prime is 22103023097. The next prime is 22103023123. The reversal of 22103023122 is 22132030122.

It is a super-2 number, since 2×221030231222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22103023095 and 22103023104.

It is not an unprimeable number, because it can be changed into a prime (22103023123) 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, 184728 + ... + 279875.

It is an arithmetic number, because the mean of its divisors is an integer number (1536677730).

Almost surely, 222103023122 is an apocalyptic number.

22103023122 is an abundant number, since it is smaller than the sum of its proper divisors (27070664238).

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

22103023122 is a wasteful number, since it uses less digits than its factorization.

22103023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465495 (or 465489 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22103023122 its reverse (22132030122), we get a palindrome (44235053244).

The spelling of 22103023122 in words is "twenty-two billion, one hundred three million, twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 881 1762 2643 5286 7929 15858 23787 47574 464603 929206 1393809 2787618 4181427 8362854 12544281 25088562 409315243 818630486 1227945729 2455891458 3683837187 7367674374 11051511561 22103023122