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70343231753 = 71990749743
BaseRepresentation
bin100000110000011001…
…0001000100100001001
320201120100012102022202
41001200302020210021
52123030331404003
652152031325545
75040112414214
oct1014062104411
9221510172282
1070343231753
1127917a14183
12117719808b5
1368305a0c72
14359444077b
151c6a80e088
hex1060c88909

70343231753 has 4 divisors (see below), whose sum is σ = 71333981568. Its totient is φ = 69352481940.

The previous prime is 70343231731. The next prime is 70343231759. The reversal of 70343231753 is 35713234307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35713234307 = 317991123093.

It is a cyclic number.

It is not a de Polignac number, because 70343231753 - 210 = 70343230729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70343231759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495374801 + ... + 495374942.

It is an arithmetic number, because the mean of its divisors is an integer number (17833495392).

Almost surely, 270343231753 is an apocalyptic number.

It is an amenable number.

70343231753 is a deficient number, since it is larger than the sum of its proper divisors (990749815).

70343231753 is an equidigital number, since it uses as much as digits as its factorization.

70343231753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990749814.

The product of its (nonzero) digits is 158760, while the sum is 38.

The spelling of 70343231753 in words is "seventy billion, three hundred forty-three million, two hundred thirty-one thousand, seven hundred fifty-three".

Divisors: 1 71 990749743 70343231753