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70651214831 is a prime number
BaseRepresentation
bin100000111001100100…
…0111111101111101111
320202100210201120200102
41001303020333233233
52124143202333311
652242352421315
75050542263111
oct1016310775757
9222323646612
1070651214831
1127a6585044a
1211838b4783b
13687c335582
1435c32d13b1
151c8789843b
hex107323fbef

70651214831 has 2 divisors, whose sum is σ = 70651214832. Its totient is φ = 70651214830.

The previous prime is 70651214813. The next prime is 70651214833. The reversal of 70651214831 is 13841215607.

Together with previous prime (70651214813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70651214831 - 226 = 70584105967 is a prime.

It is a super-2 number, since 2×706512148312 (a number of 22 digits) contains 22 as substring.

Together with 70651214833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70651214833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35325607415 + 35325607416.

It is an arithmetic number, because the mean of its divisors is an integer number (35325607416).

Almost surely, 270651214831 is an apocalyptic number.

70651214831 is a deficient number, since it is larger than the sum of its proper divisors (1).

70651214831 is an equidigital number, since it uses as much as digits as its factorization.

70651214831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 70651214831 in words is "seventy billion, six hundred fifty-one million, two hundred fourteen thousand, eight hundred thirty-one".