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126893071 is a prime number
BaseRepresentation
bin1111001000000…
…11110000001111
322211202211120101
413210003300033
5224441034241
620331431531
73100400434
oct744036017
9284684511
10126893071
116569a708
12365b55a7
132039b576
1412bd1b8b
15b217e31
hex7903c0f

126893071 has 2 divisors, whose sum is σ = 126893072. Its totient is φ = 126893070.

The previous prime is 126893059. The next prime is 126893101. The reversal of 126893071 is 170398621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126893071 is a prime.

It is a super-2 number, since 2×1268930712 = 32203702935622082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126893071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126893051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63446535 + 63446536.

It is an arithmetic number, because the mean of its divisors is an integer number (63446536).

Almost surely, 2126893071 is an apocalyptic number.

126893071 is a deficient number, since it is larger than the sum of its proper divisors (1).

126893071 is an equidigital number, since it uses as much as digits as its factorization.

126893071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 126893071 is about 11264.6824633453. The cubic root of 126893071 is about 502.5114586960.

The spelling of 126893071 in words is "one hundred twenty-six million, eight hundred ninety-three thousand, seventy-one".