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13040012325 = 352191390887
BaseRepresentation
bin11000010010011111…
…01100110000100101
31020122210002021001110
430021033230300211
5203201220343300
65553540415233
7641100163434
oct141117546045
936583067043
1013040012325
11559182429a
12263b0a7519
1312ca771032
148b9bc311b
15514c07550
hex3093ecc25

13040012325 has 24 divisors (see below), whose sum is σ = 21570994368. Its totient is φ = 6950961280.

The previous prime is 13040012317. The next prime is 13040012339. The reversal of 13040012325 is 52321004031.

It is not a de Polignac number, because 13040012325 - 23 = 13040012317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98032 + ... + 188918.

It is an arithmetic number, because the mean of its divisors is an integer number (898791432).

Almost surely, 213040012325 is an apocalyptic number.

13040012325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13040012325 is a deficient number, since it is larger than the sum of its proper divisors (8530982043).

13040012325 is a wasteful number, since it uses less digits than its factorization.

13040012325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92813 (or 92808 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 13040012325 its reverse (52321004031), we get a palindrome (65361016356).

The spelling of 13040012325 in words is "thirteen billion, forty million, twelve thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 1913 5739 9565 28695 47825 90887 143475 272661 454435 1363305 2272175 6816525 173866831 521600493 869334155 2608002465 4346670775 13040012325