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79023010019 = 670111792719
BaseRepresentation
bin100100110011000100…
…0110111000011100011
321112222020201211200212
41021212020313003203
52243314342310034
6100145213204335
75465156334212
oct1114610670343
9245866654625
1079023010019
113057147a048
12133947906ab
1375b48c3135
143b790db079
1520c78352ce
hex12662370e3

79023010019 has 4 divisors (see below), whose sum is σ = 79034809440. Its totient is φ = 79011210600.

The previous prime is 79023010013. The next prime is 79023010039. The reversal of 79023010019 is 91001032097.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79023010019 - 220 = 79021961443 is a prime.

It is a super-2 number, since 2×790230100192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79023010013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5889659 + ... + 5903060.

It is an arithmetic number, because the mean of its divisors is an integer number (19758702360).

Almost surely, 279023010019 is an apocalyptic number.

79023010019 is a deficient number, since it is larger than the sum of its proper divisors (11799421).

79023010019 is a wasteful number, since it uses less digits than its factorization.

79023010019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11799420.

The product of its (nonzero) digits is 3402, while the sum is 32.

The spelling of 79023010019 in words is "seventy-nine billion, twenty-three million, ten thousand, nineteen".

Divisors: 1 6701 11792719 79023010019