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23132031130 = 2513177938701
BaseRepresentation
bin10101100010110001…
…101100100010011010
32012201002222221020201
4111202301230202122
5334333244444010
614343211412414
71446143006665
oct254261544232
965632887221
1023132031130
1198a04793aa
124596a5410a
1322485392b0
14119625a6dc
15905be023a
hex562c6c89a

23132031130 has 16 divisors (see below), whose sum is σ = 44840552904. Its totient is φ = 8541057600.

The previous prime is 23132031077. The next prime is 23132031151. The reversal of 23132031130 is 3113023132.

It can be written as a sum of positive squares in 4 ways, for example, as 16946051329 + 6185979801 = 130177^2 + 78651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23132031098 and 23132031107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88969221 + ... + 88969480.

Almost surely, 223132031130 is an apocalyptic number.

23132031130 is a deficient number, since it is larger than the sum of its proper divisors (21708521774).

23132031130 is a wasteful number, since it uses less digits than its factorization.

23132031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177938721.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23132031130 its reverse (3113023132), we get a palindrome (26245054262).

It can be divided in two parts, 231320 and 31130, that added together give a triangular number (262450 = T724).

The spelling of 23132031130 in words is "twenty-three billion, one hundred thirty-two million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 177938701 355877402 889693505 1779387010 2313203113 4626406226 11566015565 23132031130