Search a number
-
+
127142674 = 263571337
BaseRepresentation
bin1111001010000…
…00101100010010
322212020111221221
413211000230102
5230022031144
620341035254
73102460231
oct745005422
9285214857
10127142674
116585019a
12366b5b2a
1320458069
1412c58b18
15b266d84
hex7940b12

127142674 has 4 divisors (see below), whose sum is σ = 190714014. Its totient is φ = 63571336.

The previous prime is 127142671. The next prime is 127142747. The reversal of 127142674 is 476241721.

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: 476241721 = 547870643.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 11730625 = 10743^2 + 3425^2 .

It is not an unprimeable number, because it can be changed into a prime (127142671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31785667 + ... + 31785670.

Almost surely, 2127142674 is an apocalyptic number.

127142674 is a deficient number, since it is larger than the sum of its proper divisors (63571340).

127142674 is an equidigital number, since it uses as much as digits as its factorization.

127142674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63571339.

The product of its digits is 18816, while the sum is 34.

The square root of 127142674 is about 11275.7560278679. The cubic root of 127142674 is about 502.8407286232.

The spelling of 127142674 in words is "one hundred twenty-seven million, one hundred forty-two thousand, six hundred seventy-four".

Divisors: 1 2 63571337 127142674