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42276757979 is a prime number
BaseRepresentation
bin100111010111111001…
…000010000111011011
311001010100011211022002
4213113321002013123
51143040322223404
631231025351215
73024441341111
oct472771020733
9131110154262
1042276757979
1116a25145005
12823a49850b
133ca997a731
142090b09ab1
151176816c1e
hex9d7e421db

42276757979 has 2 divisors, whose sum is σ = 42276757980. Its totient is φ = 42276757978.

The previous prime is 42276757973. The next prime is 42276758231. The reversal of 42276757979 is 97975767224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42276757979 - 232 = 37981790683 is a prime.

It is not a weakly prime, because it can be changed into another prime (42276757973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21138378989 + 21138378990.

It is an arithmetic number, because the mean of its divisors is an integer number (21138378990).

Almost surely, 242276757979 is an apocalyptic number.

42276757979 is a deficient number, since it is larger than the sum of its proper divisors (1).

42276757979 is an equidigital number, since it uses as much as digits as its factorization.

42276757979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93350880, while the sum is 65.

The spelling of 42276757979 in words is "forty-two billion, two hundred seventy-six million, seven hundred fifty-seven thousand, nine hundred seventy-nine".