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999768701 is a prime number
BaseRepresentation
bin111011100101110…
…100001001111101
32120200020111211102
4323211310021331
54021420044301
6243112302445
733526615361
oct7345641175
92520214742
10999768701
11473386028
1223a9a1a25
1312c188b19
1496acb2a1
155cb87b6b
hex3b97427d

999768701 has 2 divisors, whose sum is σ = 999768702. Its totient is φ = 999768700.

The previous prime is 999768697. The next prime is 999768703. The reversal of 999768701 is 107867999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846751801 + 153016900 = 29099^2 + 12370^2 .

It is a cyclic number.

It is not a de Polignac number, because 999768701 - 22 = 999768697 is a prime.

Together with 999768703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999768703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499884350 + 499884351.

It is an arithmetic number, because the mean of its divisors is an integer number (499884351).

Almost surely, 2999768701 is an apocalyptic number.

999768701 is the 14141-st centered decagonal number.

It is an amenable number.

999768701 is a deficient number, since it is larger than the sum of its proper divisors (1).

999768701 is an equidigital number, since it uses as much as digits as its factorization.

999768701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 56.

The square root of 999768701 is about 31619.1192318825. The cubic root of 999768701 is about 999.9228943882.

The spelling of 999768701 in words is "nine hundred ninety-nine million, seven hundred sixty-eight thousand, seven hundred one".