Base | Representation |
---|---|
bin | 1111101010110… |
… | …00011010011110 |
3 | 100011022112202012 |
4 | 13311120122132 |
5 | 232121343032 |
6 | 21013031222 |
7 | 3154112630 |
oct | 765303236 |
9 | 304275665 |
10 | 131434142 |
11 | 68211464 |
12 | 38025512 |
13 | 212cb4a8 |
14 | 13654a50 |
15 | b8136b2 |
hex | 7d5869e |
131434142 has 32 divisors (see below), whose sum is σ = 228904704. Its totient is φ = 55440000.
The previous prime is 131434139. The next prime is 131434159. The reversal of 131434142 is 241434131.
131434142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 396917 + ... + 397247.
It is an arithmetic number, because the mean of its divisors is an integer number (7153272).
Almost surely, 2131434142 is an apocalyptic number.
131434142 is a deficient number, since it is larger than the sum of its proper divisors (97470562).
131434142 is a wasteful number, since it uses less digits than its factorization.
131434142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704.
The product of its digits is 1152, while the sum is 23.
The square root of 131434142 is about 11464.4730362978. The cubic root of 131434142 is about 508.4357324364.
Adding to 131434142 its reverse (241434131), we get a palindrome (372868273).
The spelling of 131434142 in words is "one hundred thirty-one million, four hundred thirty-four thousand, one hundred forty-two".
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