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32315412013 = 178921358501
BaseRepresentation
bin11110000110001001…
…100000111000101101
310002102010011000112121
4132012021200320231
51012140221141023
622502343232541
72222543320123
oct360611407055
9102363130477
1032315412013
1112783231385
12631a448751
13307cca5291
1417c7b69913
15c92041d5d
hex786260e2d

32315412013 has 8 divisors (see below), whose sum is σ = 34600773240. Its totient is φ = 30072768000.

The previous prime is 32315412011. The next prime is 32315412029. The reversal of 32315412013 is 31021451323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8334411849 + 23981000164 = 91293^2 + 154858^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32315412013 - 21 = 32315412011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32315412011) 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, 10677738 + ... + 10680763.

It is an arithmetic number, because the mean of its divisors is an integer number (4325096655).

Almost surely, 232315412013 is an apocalyptic number.

It is an amenable number.

32315412013 is a deficient number, since it is larger than the sum of its proper divisors (2285361227).

32315412013 is a wasteful number, since it uses less digits than its factorization.

32315412013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358607.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 32315412013 its reverse (31021451323), we get a palindrome (63336863336).

The spelling of 32315412013 in words is "thirty-two billion, three hundred fifteen million, four hundred twelve thousand, thirteen".

Divisors: 1 17 89 1513 21358501 363094517 1900906589 32315412013