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3912134381 is a prime number
BaseRepresentation
bin1110100100101110…
…0110111011101101
3101002122101000110222
43221023212323231
531003001300011
61444110341125
7165642410411
oct35113467355
911078330428
103912134381
111728330511
129121ba7a5
134a466911c
14291800d41
1517d6baddb
hexe92e6eed

3912134381 has 2 divisors, whose sum is σ = 3912134382. Its totient is φ = 3912134380.

The previous prime is 3912134323. The next prime is 3912134383. The reversal of 3912134381 is 1834312193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3700897225 + 211237156 = 60835^2 + 14534^2 .

It is a cyclic number.

It is not a de Polignac number, because 3912134381 - 226 = 3845025517 is a prime.

It is a super-3 number, since 3×39121343813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 3912134383, 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 (3912134383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956067190 + 1956067191.

It is an arithmetic number, because the mean of its divisors is an integer number (1956067191).

Almost surely, 23912134381 is an apocalyptic number.

It is an amenable number.

3912134381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3912134381 is an equidigital number, since it uses as much as digits as its factorization.

3912134381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 3912134381 is about 62547.0573328594. The cubic root of 3912134381 is about 1575.6917268595.

The spelling of 3912134381 in words is "three billion, nine hundred twelve million, one hundred thirty-four thousand, three hundred eighty-one".