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20234231252 = 225058557813
BaseRepresentation
bin10010110110000011…
…011101110111010100
31221020011021110010022
4102312003131313110
5312414430400002
613143453444312
71314265061564
oct226603356724
957204243108
1020234231252
118643772474
123b084a0698
131ba6088b01
14d9d458da4
157d65d7ba2
hex4b60dddd4

20234231252 has 6 divisors (see below), whose sum is σ = 35409904698. Its totient is φ = 10117115624.

The previous prime is 20234231243. The next prime is 20234231261. The reversal of 20234231252 is 25213243202.

It is an interprime number because it is at equal distance from previous prime (20234231243) and next prime (20234231261).

It can be written as a sum of positive squares in only one way, i.e., 15852320836 + 4381910416 = 125906^2 + 66196^2 .

It is a super-2 number, since 2×202342312522 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529278903 + ... + 2529278910.

It is an arithmetic number, because the mean of its divisors is an integer number (5901650783).

Almost surely, 220234231252 is an apocalyptic number.

It is an amenable number.

20234231252 is a deficient number, since it is larger than the sum of its proper divisors (15175673446).

20234231252 is a wasteful number, since it uses less digits than its factorization.

20234231252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058557817 (or 5058557815 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20234231252 its reverse (25213243202), we get a palindrome (45447474454).

The spelling of 20234231252 in words is "twenty billion, two hundred thirty-four million, two hundred thirty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 5058557813 10117115626 20234231252