Base | Representation |
---|---|
bin | 100101000110111010… |
… | …0111010001101011111 |
3 | 21121200122122222002121 |
4 | 1022031310322031133 |
5 | 2301200322244303 |
6 | 100335241003411 |
7 | 5520523131163 |
oct | 1121564721537 |
9 | 247618588077 |
10 | 79688868703 |
11 | 3088331a584 |
12 | 1353b783567 |
13 | 768c83a562 |
14 | 3bdd708ca3 |
15 | 21160119bd |
hex | 128dd3a35f |
79688868703 has 4 divisors (see below), whose sum is σ = 80697588640. Its totient is φ = 78680148768.
The previous prime is 79688868697. The next prime is 79688868757. The reversal of 79688868703 is 30786888697.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30786888697 = 19 ⋅1620362563.
It is a cyclic number.
It is not a de Polignac number, because 79688868703 - 29 = 79688868191 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 (79688868773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504359850 + ... + 504360007.
It is an arithmetic number, because the mean of its divisors is an integer number (20174397160).
Almost surely, 279688868703 is an apocalyptic number.
79688868703 is a deficient number, since it is larger than the sum of its proper divisors (1008719937).
79688868703 is a wasteful number, since it uses less digits than its factorization.
79688868703 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1008719936.
The product of its (nonzero) digits is 195084288, while the sum is 70.
The spelling of 79688868703 in words is "seventy-nine billion, six hundred eighty-eight million, eight hundred sixty-eight thousand, seven hundred three".
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