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70424015407 = 79891443233
BaseRepresentation
bin100000110010110011…
…0010011001000101111
320201202222012122122221
41001211212103020233
52123212021443112
652204035020211
75042113153114
oct1014546231057
9221688178587
1070424015407
1127959580129
1211794a3a667
136844246c45
1435a106c90b
151c72969e07
hex106599322f

70424015407 has 4 divisors (see below), whose sum is σ = 71315458720. Its totient is φ = 69532572096.

The previous prime is 70424015393. The next prime is 70424015561. The reversal of 70424015407 is 70451042407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70451042407 = 173407231459.

It is a cyclic number.

It is not a de Polignac number, because 70424015407 - 231 = 68276531759 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 (70424010407) 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, 445721538 + ... + 445721695.

It is an arithmetic number, because the mean of its divisors is an integer number (17828864680).

Almost surely, 270424015407 is an apocalyptic number.

70424015407 is a deficient number, since it is larger than the sum of its proper divisors (891443313).

70424015407 is an equidigital number, since it uses as much as digits as its factorization.

70424015407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891443312.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 70424015407 in words is "seventy billion, four hundred twenty-four million, fifteen thousand, four hundred seven".

Divisors: 1 79 891443233 70424015407