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1072287701 is a prime number
BaseRepresentation
bin111111111010011…
…100111111010101
32202201200212012022
4333322130333111
54144001201301
6254222502525
735400203132
oct7772347725
92681625168
101072287701
11500307691
1225b134a45
131411ca084
14a25a7589
156420ed1b
hex3fe9cfd5

1072287701 has 2 divisors, whose sum is σ = 1072287702. Its totient is φ = 1072287700.

The previous prime is 1072287683. The next prime is 1072287721. The reversal of 1072287701 is 1077822701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566487601 + 505800100 = 23801^2 + 22490^2 .

It is an emirp because it is prime and its reverse (1077822701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1072287701 is a prime.

It is a super-2 number, since 2×10722877012 = 2299601827431730802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072287721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536143850 + 536143851.

It is an arithmetic number, because the mean of its divisors is an integer number (536143851).

Almost surely, 21072287701 is an apocalyptic number.

It is an amenable number.

1072287701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072287701 is an equidigital number, since it uses as much as digits as its factorization.

1072287701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 1072287701 is about 32745.8043266615. The cubic root of 1072287701 is about 1023.5375379202.

The spelling of 1072287701 in words is "one billion, seventy-two million, two hundred eighty-seven thousand, seven hundred one".