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1272422207659 is a prime number
BaseRepresentation
bin10010100001000010010…
…001100001000010101011
311111122100021212110002211
4102201002101201002223
5131321410041121114
62412313115505551
7160633544211421
oct22410221410253
94448307773084
101272422207659
114506a4189679
1218672b7582b7
1392cb17c5215
144582ab01111
1523172cac6c4
hex128424610ab

1272422207659 has 2 divisors, whose sum is σ = 1272422207660. Its totient is φ = 1272422207658.

The previous prime is 1272422207603. The next prime is 1272422207681. The reversal of 1272422207659 is 9567022242721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1272422207659 - 213 = 1272422199467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1272422204659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636211103829 + 636211103830.

It is an arithmetic number, because the mean of its divisors is an integer number (636211103830).

Almost surely, 21272422207659 is an apocalyptic number.

1272422207659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272422207659 is an equidigital number, since it uses as much as digits as its factorization.

1272422207659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 1272422207659 in words is "one trillion, two hundred seventy-two billion, four hundred twenty-two million, two hundred seven thousand, six hundred fifty-nine".