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1072057867 is a prime number
BaseRepresentation
bin111111111001100…
…100111000001011
32202201021011220221
4333321210320023
54143421322432
6254213530511
735365225066
oct7771447013
92681234827
101072057867
1150016aa41
1225b043a37
1314114958a
14a25478dd
15641b6b97
hex3fe64e0b

1072057867 has 2 divisors, whose sum is σ = 1072057868. Its totient is φ = 1072057866.

The previous prime is 1072057817. The next prime is 1072057879. The reversal of 1072057867 is 7687502701.

It is a strong prime.

It is an emirp because it is prime and its reverse (7687502701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072057867 - 27 = 1072057739 is a prime.

It is a super-2 number, since 2×10720578672 = 2298616140393179378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1072057817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536028933 + 536028934.

It is an arithmetic number, because the mean of its divisors is an integer number (536028934).

Almost surely, 21072057867 is an apocalyptic number.

1072057867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072057867 is an equidigital number, since it uses as much as digits as its factorization.

1072057867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 1072057867 is about 32742.2947729691. The cubic root of 1072057867 is about 1023.4644043959.

The spelling of 1072057867 in words is "one billion, seventy-two million, fifty-seven thousand, eight hundred sixty-seven".