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2931341639 is a prime number
BaseRepresentation
bin1010111010111000…
…1011100101000111
321120021211120202212
42232232023211013
522000410413024
61202512454035
7132432664352
oct25656134507
97507746685
102931341639
1112747363a6
1269984a31b
133793c55a5
141db453299
15122530a0e
hexaeb8b947

2931341639 has 2 divisors, whose sum is σ = 2931341640. Its totient is φ = 2931341638.

The previous prime is 2931341629. The next prime is 2931341653. The reversal of 2931341639 is 9361431392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2931341639 - 28 = 2931341383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2931341596 and 2931341605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2931341629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465670819 + 1465670820.

It is an arithmetic number, because the mean of its divisors is an integer number (1465670820).

Almost surely, 22931341639 is an apocalyptic number.

2931341639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931341639 is an equidigital number, since it uses as much as digits as its factorization.

2931341639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 2931341639 is about 54141.8658618264. The cubic root of 2931341639 is about 1431.1620526447.

The spelling of 2931341639 in words is "two billion, nine hundred thirty-one million, three hundred forty-one thousand, six hundred thirty-nine".