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6289400149 is a prime number
BaseRepresentation
bin1011101101110000…
…01010000101010101
3121020022121122001021
411312320022011111
5100340041301044
62520031401141
7311600006404
oct56670120525
917208548037
106289400149
11273822546a
1212763831b1
13793024c66
1443942363b
1526c250e84
hex176e0a155

6289400149 has 2 divisors, whose sum is σ = 6289400150. Its totient is φ = 6289400148.

The previous prime is 6289400141. The next prime is 6289400213. The reversal of 6289400149 is 9410049826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5272938225 + 1016461924 = 72615^2 + 31882^2 .

It is a cyclic number.

It is not a de Polignac number, because 6289400149 - 23 = 6289400141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6289400141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3144700074 + 3144700075.

It is an arithmetic number, because the mean of its divisors is an integer number (3144700075).

Almost surely, 26289400149 is an apocalyptic number.

It is an amenable number.

6289400149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6289400149 is an equidigital number, since it uses as much as digits as its factorization.

6289400149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6289400149 is about 79305.7384367613. The cubic root of 6289400149 is about 1845.8783477500.

The spelling of 6289400149 in words is "six billion, two hundred eighty-nine million, four hundred thousand, one hundred forty-nine".