Search a number
-
+
127342430443 = 1011260816143
BaseRepresentation
bin111011010011000110…
…0110100100011101011
3110011200201020201112201
41312212030310203223
54041244130233233
6134300022121031
712125443541104
oct1664614644353
9404621221481
10127342430443
114a007533858
122081a880177
13c015425c77
14624055d3ab
1534a48b077d
hex1da63348eb

127342430443 has 4 divisors (see below), whose sum is σ = 128603246688. Its totient is φ = 126081614200.

The previous prime is 127342430441. The next prime is 127342430459. The reversal of 127342430443 is 344034243721.

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 127342430443 - 21 = 127342430441 is a prime.

It is a super-2 number, since 2×1273424304432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127342430441) 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, 630407971 + ... + 630408172.

It is an arithmetic number, because the mean of its divisors is an integer number (32150811672).

Almost surely, 2127342430443 is an apocalyptic number.

127342430443 is a deficient number, since it is larger than the sum of its proper divisors (1260816245).

127342430443 is a wasteful number, since it uses less digits than its factorization.

127342430443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260816244.

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 127342430443 in words is "one hundred twenty-seven billion, three hundred forty-two million, four hundred thirty thousand, four hundred forty-three".

Divisors: 1 101 1260816143 127342430443