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23155130626 = 211577565313
BaseRepresentation
bin10101100100001001…
…110100000100000010
32012202201110111210121
4111210021310010002
5334410203140001
614345354450454
71446543235315
oct254411640402
965681414717
1023155130626
1199025163a1
1245a2733a2a
132250266434
14119935097c
15907c546a1
hex564274102

23155130626 has 4 divisors (see below), whose sum is σ = 34732695942. Its totient is φ = 11577565312.

The previous prime is 23155130611. The next prime is 23155130627. The reversal of 23155130626 is 62603155132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19738845025 + 3416285601 = 140495^2 + 58449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23155130591 and 23155130600.

It is not an unprimeable number, because it can be changed into a prime (23155130627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788782655 + ... + 5788782658.

Almost surely, 223155130626 is an apocalyptic number.

23155130626 is a deficient number, since it is larger than the sum of its proper divisors (11577565316).

23155130626 is a wasteful number, since it uses less digits than its factorization.

23155130626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577565315.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 23155130626 its reverse (62603155132), we get a palindrome (85758285758).

The spelling of 23155130626 in words is "twenty-three billion, one hundred fifty-five million, one hundred thirty thousand, six hundred twenty-six".

Divisors: 1 2 11577565313 23155130626