Search a number
-
+
3112142061 = 37773191717
BaseRepresentation
bin1011100101111111…
…1000010011101101
322000220001012022210
42321133320103231
522333202021221
61232452001033
7140056525320
oct27137702355
98026035283
103112142061
1113577a5436
1272a300179
133a79b98a2
142174787b7
15133346276
hexb97f84ed

3112142061 has 16 divisors (see below), whose sum is σ = 4748471424. Its totient is φ = 1776057024.

The previous prime is 3112142057. The next prime is 3112142081. The reversal of 3112142061 is 1602412113.

It is not a de Polignac number, because 3112142061 - 22 = 3112142057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112142041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79626 + ... + 112091.

It is an arithmetic number, because the mean of its divisors is an integer number (296779464).

Almost surely, 23112142061 is an apocalyptic number.

It is an amenable number.

3112142061 is a deficient number, since it is larger than the sum of its proper divisors (1636329363).

3112142061 is a wasteful number, since it uses less digits than its factorization.

3112142061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192500.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3112142061 is about 55786.5759927960. The cubic root of 3112142061 is about 1460.0009478007. Note that the first 3 decimals are identical.

Adding to 3112142061 its reverse (1602412113), we get a palindrome (4714554174).

The spelling of 3112142061 in words is "three billion, one hundred twelve million, one hundred forty-two thousand, sixty-one".

Divisors: 1 3 7 21 773 2319 5411 16233 191717 575151 1342019 4026057 148197241 444591723 1037380687 3112142061