Search a number
-
+
78424792403 = 3124731022981
BaseRepresentation
bin100100100001001111…
…0110101110101010011
321111102120002020101212
41021002132311311103
52241103221324103
6100010003250335
75444303510426
oct1110236656523
9244376066355
1078424792403
1130294829321
12132483799ab
13751a99c909
143b1d8999bd
15209006a7d8
hex12427b5d53

78424792403 has 8 divisors (see below), whose sum is σ = 80987438976. Its totient is φ = 75864196800.

The previous prime is 78424792399. The next prime is 78424792471. The reversal of 78424792403 is 30429742487.

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

It is a cyclic number.

It is not a de Polignac number, because 78424792403 - 22 = 78424792399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78424792493) 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, 434828 + ... + 588153.

It is an arithmetic number, because the mean of its divisors is an integer number (10123429872).

Almost surely, 278424792403 is an apocalyptic number.

78424792403 is a deficient number, since it is larger than the sum of its proper divisors (2562646573).

78424792403 is a wasteful number, since it uses less digits than its factorization.

78424792403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025485.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 78424792403 in words is "seventy-eight billion, four hundred twenty-four million, seven hundred ninety-two thousand, four hundred three".

Divisors: 1 31 2473 76663 1022981 31712411 2529832013 78424792403