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126995101 = 331593647
BaseRepresentation
bin1111001000111…
…00101010011101
322211222000112021
413210130222131
5230002320401
620333540141
73101304052
oct744345235
9284860467
10126995101
116575a332
1236644651
1320405b3c
1412c1b029
15b2382a1
hex791ca9d

126995101 has 8 divisors (see below), whose sum is σ = 127790784. Its totient is φ = 126202560.

The previous prime is 126995059. The next prime is 126995111. The reversal of 126995101 is 101599621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126995101 - 215 = 126962333 is a prime.

It is a super-2 number, since 2×1269951012 = 32255511356000402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126995111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195960 + ... + 196606.

It is an arithmetic number, because the mean of its divisors is an integer number (15973848).

Almost surely, 2126995101 is an apocalyptic number.

It is an amenable number.

126995101 is a deficient number, since it is larger than the sum of its proper divisors (795683).

126995101 is an equidigital number, since it uses as much as digits as its factorization.

126995101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 126995101 is about 11269.2103095115. The cubic root of 126995101 is about 502.6461062069.

The spelling of 126995101 in words is "one hundred twenty-six million, nine hundred ninety-five thousand, one hundred one".

Divisors: 1 331 593 647 196283 214157 383671 126995101