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1272244499 is a prime number
BaseRepresentation
bin100101111010100…
…1110100100010011
310021122221201100122
41023311032210103
510101143310444
6330124340455
743345620431
oct11365164423
93248851318
101272244499
115a3170139
122b60a472b
1317376a7c6
14c0d77d51
1576a5b4ee
hex4bd4e913

1272244499 has 2 divisors, whose sum is σ = 1272244500. Its totient is φ = 1272244498.

The previous prime is 1272244423. The next prime is 1272244559. The reversal of 1272244499 is 9944422721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1272244499 - 228 = 1003809043 is a prime.

It is a super-2 number, since 2×12722444992 = 3237212130471522002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1272244399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636122249 + 636122250.

It is an arithmetic number, because the mean of its divisors is an integer number (636122250).

Almost surely, 21272244499 is an apocalyptic number.

1272244499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272244499 is an equidigital number, since it uses as much as digits as its factorization.

1272244499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 1272244499 is about 35668.5365413273. The cubic root of 1272244499 is about 1083.5697206497.

The spelling of 1272244499 in words is "one billion, two hundred seventy-two million, two hundred forty-four thousand, four hundred ninety-nine".