Search a number
-
+
3123142301 = 171019411933
BaseRepresentation
bin1011101000100111…
…0101111010011101
322001122202001211002
42322021311322131
522344011023201
61233523440045
7140252162066
oct27211657235
98048661732
103123142301
111362a29044
12731b26025
133aa06b7c6
14218add56d
151342ba76b
hexba275e9d

3123142301 has 16 divisors (see below), whose sum is σ = 3344876208. Its totient is φ = 2905728000.

The previous prime is 3123142279. The next prime is 3123142303. The reversal of 3123142301 is 1032413213.

It can be written as a sum of positive squares in 8 ways, for example, as 978063076 + 2145079225 = 31274^2 + 46315^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123142301 - 26 = 3123142237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123142303) 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 15 ways as a sum of consecutive naturals, for example, 1614731 + ... + 1616663.

It is an arithmetic number, because the mean of its divisors is an integer number (209054763).

Almost surely, 23123142301 is an apocalyptic number.

It is an amenable number.

3123142301 is a deficient number, since it is larger than the sum of its proper divisors (221733907).

3123142301 is a wasteful number, since it uses less digits than its factorization.

3123142301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3123142301 is about 55885.0812024104. The cubic root of 3123142301 is about 1461.7191079572.

Adding to 3123142301 its reverse (1032413213), we get a palindrome (4155555514).

The spelling of 3123142301 in words is "three billion, one hundred twenty-three million, one hundred forty-two thousand, three hundred one".

Divisors: 1 17 101 941 1717 1933 15997 32861 95041 195233 1615697 1818953 3318961 30922201 183714253 3123142301