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190713656279 is a prime number
BaseRepresentation
bin1011000110011101101…
…0110111001111010111
3200020021011101112202002
42301213122313033113
511111040144000104
6223340155305515
716531030221416
oct2614732671727
9606234345662
10190713656279
1173976983773
1230b6574b29b
1314ca4442c33
149332a4d47d
154e6308501e
hex2c676b73d7

190713656279 has 2 divisors, whose sum is σ = 190713656280. Its totient is φ = 190713656278.

The previous prime is 190713656261. The next prime is 190713656281. The reversal of 190713656279 is 972656317091.

It is a strong prime.

It is an emirp because it is prime and its reverse (972656317091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190713656279 is a prime.

It is a super-2 number, since 2×1907136562792 (a number of 23 digits) contains 22 as substring.

Together with 190713656281, 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 (190713656179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95356828139 + 95356828140.

It is an arithmetic number, because the mean of its divisors is an integer number (95356828140).

Almost surely, 2190713656279 is an apocalyptic number.

190713656279 is a deficient number, since it is larger than the sum of its proper divisors (1).

190713656279 is an equidigital number, since it uses as much as digits as its factorization.

190713656279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 190713656279 in words is "one hundred ninety billion, seven hundred thirteen million, six hundred fifty-six thousand, two hundred seventy-nine".