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126950143 is a prime number
BaseRepresentation
bin1111001000100…
…01101011111111
322211212201212011
413210101223333
5224444401033
620332552051
73101026015
oct744215377
9284781764
10126950143
1165729581
1236622627
13203bb538
1412c088b5
15b229ccd
hex7911aff

126950143 has 2 divisors, whose sum is σ = 126950144. Its totient is φ = 126950142.

The previous prime is 126950137. The next prime is 126950167. The reversal of 126950143 is 341059621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126950143 - 217 = 126819071 is a prime.

It is a super-2 number, since 2×1269501432 = 32232677615440898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126950113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63475071 + 63475072.

It is an arithmetic number, because the mean of its divisors is an integer number (63475072).

Almost surely, 2126950143 is an apocalyptic number.

126950143 is a deficient number, since it is larger than the sum of its proper divisors (1).

126950143 is an equidigital number, since it uses as much as digits as its factorization.

126950143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 126950143 is about 11267.2154057691. The cubic root of 126950143 is about 502.5867846776.

The spelling of 126950143 in words is "one hundred twenty-six million, nine hundred fifty thousand, one hundred forty-three".