Base | Representation |
---|---|
bin | 1011100101110010… |
… | …1101011100011010 |
3 | 22000211110222111120 |
4 | 2321130231130122 |
5 | 22332443424010 |
6 | 1232422110110 |
7 | 140046464634 |
oct | 27134553432 |
9 | 8024428446 |
10 | 3111311130 |
11 | 1357288114 |
12 | 729b7b336 |
13 | 3a7788605 |
14 | 2172dda54 |
15 | 13322ee70 |
hex | b972d71a |
3111311130 has 32 divisors (see below), whose sum is σ = 7668964224. Its totient is φ = 807258816.
The previous prime is 3111311101. The next prime is 3111311143. The reversal of 3111311130 is 311131113.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400382 + ... + 1402601.
It is an arithmetic number, because the mean of its divisors is an integer number (239655132).
Almost surely, 23111311130 is an apocalyptic number.
3111311130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3111311130 is an abundant number, since it is smaller than the sum of its proper divisors (4557653094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3111311130 is a wasteful number, since it uses less digits than its factorization.
3111311130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2803030.
The product of its (nonzero) digits is 27, while the sum is 15.
The square root of 3111311130 is about 55779.1280856917. The cubic root of 3111311130 is about 1459.8709978595.
Adding to 3111311130 its reverse (311131113), we get a palindrome (3422442243).
The spelling of 3111311130 in words is "three billion, one hundred eleven million, three hundred eleven thousand, one hundred thirty".
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