Search a number
-
+
3111023130 = 235103700771
BaseRepresentation
bin1011100101101110…
…0111001000011010
322000210221100102220
42321123213020122
522332410220010
61232412004510
7140044155165
oct27133471032
98023840386
103111023130
1113571007a6
12729a60736
133a76b74b7
14217266adc
151331c4970
hexb96e721a

3111023130 has 16 divisors (see below), whose sum is σ = 7466455584. Its totient is φ = 829606160.

The previous prime is 3111023129. The next prime is 3111023141. The reversal of 3111023130 is 313201113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51850356 + ... + 51850415.

It is an arithmetic number, because the mean of its divisors is an integer number (466653474).

Almost surely, 23111023130 is an apocalyptic number.

3111023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3111023130 is an abundant number, since it is smaller than the sum of its proper divisors (4355432454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111023130 is a wasteful number, since it uses less digits than its factorization.

3111023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103700781.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3111023130 is about 55776.5464151376. The cubic root of 3111023130 is about 1459.8259519177.

Adding to 3111023130 its reverse (313201113), we get a palindrome (3424224243).

The spelling of 3111023130 in words is "three billion, one hundred eleven million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103700771 207401542 311102313 518503855 622204626 1037007710 1555511565 3111023130