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70212232689 = 323404077563
BaseRepresentation
bin100000101100011111…
…0011010010111110001
320201020012200222101120
41001120332122113301
52122243312421224
652131031452453
75033632062564
oct1013076322761
9221205628346
1070212232689
112785aa7a695
1211735b27129
13680c3c5821
143580ca04db
151c5e084779
hex1058f9a5f1

70212232689 has 4 divisors (see below), whose sum is σ = 93616310256. Its totient is φ = 46808155124.

The previous prime is 70212232679. The next prime is 70212232691. The reversal of 70212232689 is 98623221207.

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.

It is a cyclic number.

It is not a de Polignac number, because 70212232689 - 219 = 70211708401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70212232689.

It is not an unprimeable number, because it can be changed into a prime (70212232679) 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 3 ways as a sum of consecutive naturals, for example, 11702038779 + ... + 11702038784.

It is an arithmetic number, because the mean of its divisors is an integer number (23404077564).

Almost surely, 270212232689 is an apocalyptic number.

It is an amenable number.

70212232689 is a deficient number, since it is larger than the sum of its proper divisors (23404077567).

70212232689 is a wasteful number, since it uses less digits than its factorization.

70212232689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23404077566.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 70212232689 in words is "seventy billion, two hundred twelve million, two hundred thirty-two thousand, six hundred eighty-nine".

Divisors: 1 3 23404077563 70212232689