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70864046807 = 91977109953
BaseRepresentation
bin100000111111111010…
…0111000101011010111
320202220122012120021012
41001333310320223113
52130112143444212
652315434242435
75056035313361
oct1017764705327
9222818176235
1070864046807
11280649a8244
121189828641b
1368b4463458
143603693d31
151c9b3d9922
hex107fd38ad7

70864046807 has 4 divisors (see below), whose sum is σ = 70941157680. Its totient is φ = 70786935936.

The previous prime is 70864046779. The next prime is 70864046837.

70864046807 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70864046807 - 28 = 70864046551 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 (70864046837) 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, 38554058 + ... + 38555895.

It is an arithmetic number, because the mean of its divisors is an integer number (17735289420).

Almost surely, 270864046807 is an apocalyptic number.

70864046807 is a deficient number, since it is larger than the sum of its proper divisors (77110873).

70864046807 is an equidigital number, since it uses as much as digits as its factorization.

70864046807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77110872.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 70864046807 in words is "seventy billion, eight hundred sixty-four million, forty-six thousand, eight hundred seven".

Divisors: 1 919 77109953 70864046807