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13012406197 = 78872095733
BaseRepresentation
bin11000001111001100…
…11000111110110101
31020120212010201120021
430013212120332311
5203122133444242
65551113005141
7640313425210
oct140746307665
936525121507
1013012406197
11557818940a
1226319b37b1
1312c4b2684b
148b6278777
155125a2b67
hex307998fb5

13012406197 has 8 divisors (see below), whose sum is σ = 14888094336. Its totient is φ = 11140911312.

The previous prime is 13012406191. The next prime is 13012406213. The reversal of 13012406197 is 79160421031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13012406197 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 (13012406191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041658 + ... + 1054075.

It is an arithmetic number, because the mean of its divisors is an integer number (1861011792).

Almost surely, 213012406197 is an apocalyptic number.

It is an amenable number.

13012406197 is a deficient number, since it is larger than the sum of its proper divisors (1875688139).

13012406197 is an equidigital number, since it uses as much as digits as its factorization.

13012406197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096627.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 13012406197 in words is "thirteen billion, twelve million, four hundred six thousand, one hundred ninety-seven".

Divisors: 1 7 887 6209 2095733 14670131 1858915171 13012406197