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23222330012 = 227829368929
BaseRepresentation
bin10101101000001010…
…001010001010011100
32012221101220121000202
4111220022022022130
5340024404030022
614400155043032
71451320356020
oct255012121234
965841817022
1023222330012
119937444282
124601140478
13226116429b
1411a4244380
1590daca592
hex56828a29c

23222330012 has 12 divisors (see below), whose sum is σ = 46444660080. Its totient is φ = 9952427136.

The previous prime is 23222330011. The next prime is 23222330039. The reversal of 23222330012 is 21003322232.

23222330012 is an admirable number.

It is a super-2 number, since 2×232223300122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222330011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414684437 + ... + 414684492.

It is an arithmetic number, because the mean of its divisors is an integer number (3870388340).

Almost surely, 223222330012 is an apocalyptic number.

It is an amenable number.

23222330012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23222330012 is a wasteful number, since it uses less digits than its factorization.

23222330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829368940 (or 829368938 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23222330012 its reverse (21003322232), we get a palindrome (44225652244).

The spelling of 23222330012 in words is "twenty-three billion, two hundred twenty-two million, three hundred thirty thousand, twelve".

Divisors: 1 2 4 7 14 28 829368929 1658737858 3317475716 5805582503 11611165006 23222330012