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3111654493 is a prime number
BaseRepresentation
bin1011100101111000…
…0001010001011101
322000212010102111201
42321132001101131
522333040420433
61232433315501
7140052424663
oct27136012135
98025112451
103111654493
1113574a2092
1272a105b91
133a787899c
1421738cc33
1513329ba7d
hexb978145d

3111654493 has 2 divisors, whose sum is σ = 3111654494. Its totient is φ = 3111654492.

The previous prime is 3111654461. The next prime is 3111654503. The reversal of 3111654493 is 3944561113.

3111654493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3040640164 + 71014329 = 55142^2 + 8427^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111654493 - 25 = 3111654461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111654893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555827246 + 1555827247.

It is an arithmetic number, because the mean of its divisors is an integer number (1555827247).

Almost surely, 23111654493 is an apocalyptic number.

It is an amenable number.

3111654493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111654493 is an equidigital number, since it uses as much as digits as its factorization.

3111654493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 3111654493 is about 55782.2058814457. The cubic root of 3111654493 is about 1459.9246994691.

The spelling of 3111654493 in words is "three billion, one hundred eleven million, six hundred fifty-four thousand, four hundred ninety-three".