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126660151 = 1090311617
BaseRepresentation
bin1111000110010…
…10111000110111
322211100000001201
413203022320313
5224411111101
620322433331
73065410402
oct743127067
9284300051
10126660151
1165550712
1236502847
1320319547
1412b70d39
15b1bde01
hex78cae37

126660151 has 4 divisors (see below), whose sum is σ = 126682672. Its totient is φ = 126637632.

The previous prime is 126660143. The next prime is 126660179. The reversal of 126660151 is 151066621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 151066621 = 295351157.

It is a cyclic number.

It is not a de Polignac number, because 126660151 - 23 = 126660143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126670151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095 + ... + 16711.

It is an arithmetic number, because the mean of its divisors is an integer number (31670668).

Almost surely, 2126660151 is an apocalyptic number.

126660151 is a deficient number, since it is larger than the sum of its proper divisors (22521).

126660151 is a wasteful number, since it uses less digits than its factorization.

126660151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22520.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 126660151 is about 11254.3392076123. The cubic root of 126660151 is about 502.2038068661.

The spelling of 126660151 in words is "one hundred twenty-six million, six hundred sixty thousand, one hundred fifty-one".

Divisors: 1 10903 11617 126660151