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70213577479 is a prime number
BaseRepresentation
bin100000101100100001…
…1100010101100000111
320201020022020022002121
41001121003202230013
52122244133434404
652131120350411
75033646363343
oct1013103425407
9221208208077
1070213577479
1127860808a91
1211736475407
13680c776966
143581130623
151c5e24ce54
hex10590e2b07

70213577479 has 2 divisors, whose sum is σ = 70213577480. Its totient is φ = 70213577478.

The previous prime is 70213577477. The next prime is 70213577519. The reversal of 70213577479 is 97477531207.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70213577479 - 21 = 70213577477 is a prime.

Together with 70213577477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70213577477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35106788739 + 35106788740.

It is an arithmetic number, because the mean of its divisors is an integer number (35106788740).

Almost surely, 270213577479 is an apocalyptic number.

70213577479 is a deficient number, since it is larger than the sum of its proper divisors (1).

70213577479 is an equidigital number, since it uses as much as digits as its factorization.

70213577479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The spelling of 70213577479 in words is "seventy billion, two hundred thirteen million, five hundred seventy-seven thousand, four hundred seventy-nine".