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13250523540 = 2235220842059
BaseRepresentation
bin11000101011100101…
…01111000110010100
31021012110012100011010
430111302233012110
5204114113223130
610030500412220
7646234406652
oct142562570624
937173170133
1013250523540
11568a636501
1226996a7070
131332268797
148d9b3ddd2
1552843b0b0
hex315caf194

13250523540 has 24 divisors (see below), whose sum is σ = 37101466080. Its totient is φ = 3533472928.

The previous prime is 13250523527. The next prime is 13250523593. The reversal of 13250523540 is 4532505231.

13250523540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13250523498 and 13250523507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110420970 + ... + 110421089.

It is an arithmetic number, because the mean of its divisors is an integer number (1545894420).

Almost surely, 213250523540 is an apocalyptic number.

13250523540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13250523540 is an abundant number, since it is smaller than the sum of its proper divisors (23850942540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13250523540 is a wasteful number, since it uses less digits than its factorization.

13250523540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220842071 (or 220842069 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 13250523540 in words is "thirteen billion, two hundred fifty million, five hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 220842059 441684118 662526177 883368236 1104210295 1325052354 2208420590 2650104708 3312630885 4416841180 6625261770 13250523540