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1513302125 = 5312106417
BaseRepresentation
bin101101000110011…
…0010100001101101
310220110112201020212
41122030302201231
511044401132000
6410055152205
752333566356
oct13214624155
93813481225
101513302125
11707246315
12362975665
131b169bb5a
14104da6d2d
158ccc5c35
hex5a33286d

1513302125 has 8 divisors (see below), whose sum is σ = 1888601208. Its totient is φ = 1210641600.

The previous prime is 1513302121. The next prime is 1513302127. The reversal of 1513302125 is 5212033151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 165971689 + 1347330436 = 12883^2 + 36706^2 .

It is not a de Polignac number, because 1513302125 - 22 = 1513302121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1513302125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513302121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6053084 + ... + 6053333.

It is an arithmetic number, because the mean of its divisors is an integer number (236075151).

Almost surely, 21513302125 is an apocalyptic number.

It is an amenable number.

1513302125 is a deficient number, since it is larger than the sum of its proper divisors (375299083).

1513302125 is an equidigital number, since it uses as much as digits as its factorization.

1513302125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12106432 (or 12106422 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1513302125 is about 38901.1841079420. The cubic root of 1513302125 is about 1148.0880960148.

Adding to 1513302125 its reverse (5212033151), we get a palindrome (6725335276).

The spelling of 1513302125 in words is "one billion, five hundred thirteen million, three hundred two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 12106417 60532085 302660425 1513302125