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8031087089 is a prime number
BaseRepresentation
bin1110111101011000…
…01010100111110001
3202201200220111100222
413132230022213301
5112421424241324
63404530022425
7403006054034
oct73654124761
922650814328
108031087089
113451380663
121681717a15
139acb08b4c
1456287b01b
153200db55e
hex1deb0a9f1

8031087089 has 2 divisors, whose sum is σ = 8031087090. Its totient is φ = 8031087088.

The previous prime is 8031087007. The next prime is 8031087121. The reversal of 8031087089 is 9807801308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7107838864 + 923248225 = 84308^2 + 30385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8031087089 is a prime.

It is a super-2 number, since 2×80310870892 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8031087289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4015543544 + 4015543545.

It is an arithmetic number, because the mean of its divisors is an integer number (4015543545).

Almost surely, 28031087089 is an apocalyptic number.

It is an amenable number.

8031087089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8031087089 is an equidigital number, since it uses as much as digits as its factorization.

8031087089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 8031087089 is about 89616.3327134067. The cubic root of 8031087089 is about 2002.5872423952.

The spelling of 8031087089 in words is "eight billion, thirty-one million, eighty-seven thousand, eighty-nine".