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23440352324020 = 2251172017616201
BaseRepresentation
bin1010101010001101000011…
…10111111010100110110100
310001222212122110022121021221
411111012201313322212310
511033021320143332040
6121504203232120124
74636336532204362
oct525064167724664
9101885573277257
1023440352324020
117517aa7886425
122766a92696044
1310105534c2478
145b073a5d8632
152a9b0d8a274a
hex1551a1dfa9b4

23440352324020 has 12 divisors (see below), whose sum is σ = 49224739880484. Its totient is φ = 9376140929600.

The previous prime is 23440352323961. The next prime is 23440352324027. The reversal of 23440352324020 is 2042325304432.

It can be written as a sum of positive squares in 2 ways, for example, as 9699126092964 + 13741226231056 = 3114342^2 + 3706916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440352324027) 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, 586008808081 + ... + 586008808120.

It is an arithmetic number, because the mean of its divisors is an integer number (4102061656707).

Almost surely, 223440352324020 is an apocalyptic number.

23440352324020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23440352324020 is an abundant number, since it is smaller than the sum of its proper divisors (25784387556464).

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

23440352324020 is a wasteful number, since it uses less digits than its factorization.

23440352324020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172017616210 (or 1172017616208 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 23440352324020 its reverse (2042325304432), we get a palindrome (25482677628452).

The spelling of 23440352324020 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-two million, three hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 1172017616201 2344035232402 4688070464804 5860088081005 11720176162010 23440352324020