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22023033012 = 22322791219187
BaseRepresentation
bin10100100000101011…
…001101000010110100
32002211211012222211100
4110200223031002310
5330100344024022
614041154010100
71406515456221
oct244053150264
962754188740
1022023033012
119381478732
124327576930
1320cc857aa6
1410ccc58948
1588d67d1ac
hex520acd0b4

22023033012 has 36 divisors (see below), whose sum is σ = 55689533536. Its totient is φ = 7338347280.

The previous prime is 22023033007. The next prime is 22023033017. The reversal of 22023033012 is 21033032022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22023033007) and next prime (22023033017).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023033017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9118 + ... + 210069.

Almost surely, 222023033012 is an apocalyptic number.

It is an amenable number.

22023033012 is an abundant number, since it is smaller than the sum of its proper divisors (33666500524).

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

22023033012 is a wasteful number, since it uses less digits than its factorization.

22023033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221988 (or 221983 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22023033012 its reverse (21033032022), we get a palindrome (43056065034).

The spelling of 22023033012 in words is "twenty-two billion, twenty-three million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 2791 5582 8373 11164 16746 25119 33492 50238 100476 219187 438374 657561 876748 1315122 1972683 2630244 3945366 7890732 611750917 1223501834 1835252751 2447003668 3670505502 5505758253 7341011004 11011516506 22023033012