Base | Representation |
---|---|
bin | 1111101010101… |
… | …01100011001100 |
3 | 100011021221122202 |
4 | 13311111203030 |
5 | 232121004122 |
6 | 21012501032 |
7 | 3154033502 |
oct | 765254314 |
9 | 304257582 |
10 | 131422412 |
11 | 68203670 |
12 | 3801a778 |
13 | 212c6054 |
14 | 13650672 |
15 | b80ee92 |
hex | 7d558cc |
131422412 has 24 divisors (see below), whose sum is σ = 253390032. Its totient is φ = 59144000.
The previous prime is 131422381. The next prime is 131422453. The reversal of 131422412 is 214224131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10343 + ... + 19230.
It is an arithmetic number, because the mean of its divisors is an integer number (10557918).
Almost surely, 2131422412 is an apocalyptic number.
It is an amenable number.
131422412 is a deficient number, since it is larger than the sum of its proper divisors (121967620).
131422412 is a wasteful number, since it uses less digits than its factorization.
131422412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29689 (or 29687 counting only the distinct ones).
The product of its digits is 384, while the sum is 20.
The square root of 131422412 is about 11463.9614444571. The cubic root of 131422412 is about 508.4206066645.
Adding to 131422412 its reverse (214224131), we get a palindrome (345646543).
It can be divided in two parts, 1 and 31422412, that added together give a palindrome (31422413).
The spelling of 131422412 in words is "one hundred thirty-one million, four hundred twenty-two thousand, four hundred twelve".
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