Search a number
-
+
27942073461 = 3297178717911
BaseRepresentation
bin11010000001011110…
…100011010001110101
32200010022221101212200
4122001132203101311
5424211132322321
620500355335113
72006300464011
oct320136432165
980108841780
1027942073461
11109396323a5
1254b98b1499
132833c187a3
1414d0dd1541
15ad8122d26
hex6817a3475

27942073461 has 24 divisors (see below), whose sum is σ = 40801959744. Its totient is φ = 18424661760.

The previous prime is 27942073441. The next prime is 27942073469. The reversal of 27942073461 is 16437024972.

It is not a de Polignac number, because 27942073461 - 225 = 27908519029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27942073469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551096 + ... + 1569006.

It is an arithmetic number, because the mean of its divisors is an integer number (1700081656).

Almost surely, 227942073461 is an apocalyptic number.

It is an amenable number.

27942073461 is a deficient number, since it is larger than the sum of its proper divisors (12859886283).

27942073461 is a wasteful number, since it uses less digits than its factorization.

27942073461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801 (or 19798 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27942073461 in words is "twenty-seven billion, nine hundred forty-two million, seventy-three thousand, four hundred sixty-one".

Divisors: 1 3 9 97 291 873 1787 5361 16083 17911 53733 161199 173339 520017 1560051 1737367 5212101 15636303 32006957 96020871 288062613 3104674829 9314024487 27942073461