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23122430044 = 227825801073
BaseRepresentation
bin10101100010001101…
…000100100001011100
32012200102221011000221
4111202031010201130
5334323320230134
614342225531124
71445665261330
oct254215044134
965612834027
1023122430044
119896010a1a
1245937a3aa4
13224655718c
141194c7b7c0
15904e455b4
hex56234485c

23122430044 has 12 divisors (see below), whose sum is σ = 46244860144. Its totient is φ = 9909612864.

The previous prime is 23122429961. The next prime is 23122430047. The reversal of 23122430044 is 44003422132.

It is a happy number.

23122430044 is an admirable number.

It is a super-2 number, since 2×231224300442 (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 (23122430047) 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, 412900509 + ... + 412900564.

Almost surely, 223122430044 is an apocalyptic number.

It is an amenable number.

23122430044 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.

23122430044 is a wasteful number, since it uses less digits than its factorization.

23122430044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825801084 (or 825801082 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23122430044 its reverse (44003422132), we get a palindrome (67125852176).

The spelling of 23122430044 in words is "twenty-three billion, one hundred twenty-two million, four hundred thirty thousand, forty-four".

Divisors: 1 2 4 7 14 28 825801073 1651602146 3303204292 5780607511 11561215022 23122430044