Search a number
-
+
127313407 = 139793339
BaseRepresentation
bin1111001011010…
…10010111111111
322212120012011101
413211222113333
5230043012112
620344433531
73104101054
oct745522777
9285505141
10127313407
11659574a1
12367788a7
13204b79a0
1412ca102b
15b29c757
hex796a5ff

127313407 has 4 divisors (see below), whose sum is σ = 137106760. Its totient is φ = 117520056.

The previous prime is 127313399. The next prime is 127313419. The reversal of 127313407 is 704313721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127313407 - 23 = 127313399 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 (127313447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4896657 + ... + 4896682.

It is an arithmetic number, because the mean of its divisors is an integer number (34276690).

Almost surely, 2127313407 is an apocalyptic number.

127313407 is a deficient number, since it is larger than the sum of its proper divisors (9793353).

127313407 is an equidigital number, since it uses as much as digits as its factorization.

127313407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793352.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 127313407 is about 11283.3242885242. The cubic root of 127313407 is about 503.0657071286.

The spelling of 127313407 in words is "one hundred twenty-seven million, three hundred thirteen thousand, four hundred seven".

Divisors: 1 13 9793339 127313407