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126050053 = 177414709
BaseRepresentation
bin1111000001101…
…01111100000101
322210012000011111
413200311330011
5224232100203
620301405021
73060256603
oct740657405
9283160144
10126050053
11651742a8
1236269771
132016493c
1412a52873
15b0ed26d
hex7835f05

126050053 has 4 divisors (see below), whose sum is σ = 133464780. Its totient is φ = 118635328.

The previous prime is 126050039. The next prime is 126050069. The reversal of 126050053 is 350050621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350050621 = 1720591213.

It can be written as a sum of positive squares in 2 ways, for example, as 74684164 + 51365889 = 8642^2 + 7167^2 .

It is a cyclic number.

It is not a de Polignac number, because 126050053 - 217 = 125918981 is a prime.

It is a super-2 number, since 2×1260500532 = 31777231722605618, 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 (126050033) 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, 3707338 + ... + 3707371.

It is an arithmetic number, because the mean of its divisors is an integer number (33366195).

Almost surely, 2126050053 is an apocalyptic number.

It is an amenable number.

126050053 is a deficient number, since it is larger than the sum of its proper divisors (7414727).

126050053 is an equidigital number, since it uses as much as digits as its factorization.

126050053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414726.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 126050053 is about 11227.2014767706. The cubic root of 126050053 is about 501.3961684652.

The spelling of 126050053 in words is "one hundred twenty-six million, fifty thousand, fifty-three".

Divisors: 1 17 7414709 126050053