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79620716429 = 233655152163
BaseRepresentation
bin100101000100111000…
…0111011011110001101
321121111220102110202022
41022021300323132031
52301030400411204
6100324404135525
75516034631412
oct1121160733615
9247456373668
1079620716429
1130848900791
12135209975a5
13767b697a77
143bd4648109
15211004d5be
hex1289c3b78d

79620716429 has 8 divisors (see below), whose sum is σ = 79976175552. Its totient is φ = 79265375200.

The previous prime is 79620716423. The next prime is 79620716443. The reversal of 79620716429 is 92461702697.

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-79620716429 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 (79620716423) 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, 1500302 + ... + 1552464.

It is an arithmetic number, because the mean of its divisors is an integer number (9997021944).

Almost surely, 279620716429 is an apocalyptic number.

It is an amenable number.

79620716429 is a deficient number, since it is larger than the sum of its proper divisors (355459123).

79620716429 is a wasteful number, since it uses less digits than its factorization.

79620716429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58947.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 79620716429 in words is "seventy-nine billion, six hundred twenty million, seven hundred sixteen thousand, four hundred twenty-nine".

Divisors: 1 233 6551 52163 1526383 12153979 341719813 79620716429