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126994313 is a prime number
BaseRepresentation
bin1111001000111…
…00011110001001
322211221222110002
413210130132021
5230002304223
620333532345
73101301545
oct744343611
9284858402
10126994313
1165759786
12366440b5
1320405684
1412c1aa25
15b237e28
hex791c789

126994313 has 2 divisors, whose sum is σ = 126994314. Its totient is φ = 126994312.

The previous prime is 126994223. The next prime is 126994319. The reversal of 126994313 is 313499621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 7463824 = 10933^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 126994313 - 28 = 126994057 is a prime.

It is a super-2 number, since 2×1269943132 = 32255111068683938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126994319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63497156 + 63497157.

It is an arithmetic number, because the mean of its divisors is an integer number (63497157).

Almost surely, 2126994313 is an apocalyptic number.

It is an amenable number.

126994313 is a deficient number, since it is larger than the sum of its proper divisors (1).

126994313 is an equidigital number, since it uses as much as digits as its factorization.

126994313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 126994313 is about 11269.1753469364. The cubic root of 126994313 is about 502.6450665712.

The spelling of 126994313 in words is "one hundred twenty-six million, nine hundred ninety-four thousand, three hundred thirteen".