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13079757849 = 35973896937
BaseRepresentation
bin11000010111001110…
…10100010000011001
31020202112212112122220
430023213110100121
5203241404222344
610001520334253
7642062051544
oct141347242031
936675775586
1013079757849
115602200734
122650474389
131305a78ab2
148c11ab85b
15518458c19
hex30b9d4419

13079757849 has 8 divisors (see below), whose sum is σ = 17735265120. Its totient is φ = 8572044576.

The previous prime is 13079757791. The next prime is 13079757893. The reversal of 13079757849 is 94875797031.

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

It is a de Polignac number, because none of the positive numbers 2k-13079757849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13079757792 and 13079757801.

It is not an unprimeable number, because it can be changed into a prime (13079757049) 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, 36948292 + ... + 36948645.

It is an arithmetic number, because the mean of its divisors is an integer number (2216908140).

Almost surely, 213079757849 is an apocalyptic number.

It is an amenable number.

13079757849 is a deficient number, since it is larger than the sum of its proper divisors (4655507271).

13079757849 is an equidigital number, since it uses as much as digits as its factorization.

13079757849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73896999.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 13079757849 in words is "thirteen billion, seventy-nine million, seven hundred fifty-seven thousand, eight hundred forty-nine".

Divisors: 1 3 59 177 73896937 221690811 4359919283 13079757849