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1244106154979 is a prime number
BaseRepresentation
bin10010000110101010100…
…000010110001111100011
311101221020220012221011222
4102012222200112033203
5130340412133424404
62351311240325255
7155612052556112
oct22065240261743
94357226187158
101244106154979
1143a693544146
1218114877382b
139041b278b6c
144430219dc79
1522566e15dbe
hex121aa8163e3

1244106154979 has 2 divisors, whose sum is σ = 1244106154980. Its totient is φ = 1244106154978.

The previous prime is 1244106154943. The next prime is 1244106155029. The reversal of 1244106154979 is 9794516014421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244106154979 - 224 = 1244089377763 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244106154979.

It is not a weakly prime, because it can be changed into another prime (1244106154079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622053077489 + 622053077490.

It is an arithmetic number, because the mean of its divisors is an integer number (622053077490).

Almost surely, 21244106154979 is an apocalyptic number.

1244106154979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244106154979 is an equidigital number, since it uses as much as digits as its factorization.

1244106154979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1244106154979 in words is "one trillion, two hundred forty-four billion, one hundred six million, one hundred fifty-four thousand, nine hundred seventy-nine".