Base | Representation |
---|---|
bin | 1111101100111… |
… | …00000101100010 |
3 | 100011211121222102 |
4 | 13312130011202 |
5 | 232204230310 |
6 | 21023010402 |
7 | 3156346022 |
oct | 766340542 |
9 | 304747872 |
10 | 131711330 |
11 | 68390743 |
12 | 38139a02 |
13 | 213976ca |
14 | 136c7a82 |
15 | b86a8a5 |
hex | 7d9c162 |
131711330 has 32 divisors (see below), whose sum is σ = 247199040. Its totient is φ = 50464960.
The previous prime is 131711323. The next prime is 131711341. The reversal of 131711330 is 33117131.
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, 36257 + ... + 39723.
It is an arithmetic number, because the mean of its divisors is an integer number (7724970).
Almost surely, 2131711330 is an apocalyptic number.
131711330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131711330 is a deficient number, since it is larger than the sum of its proper divisors (115487710).
131711330 is a wasteful number, since it uses less digits than its factorization.
131711330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3634.
The product of its (nonzero) digits is 189, while the sum is 20.
The square root of 131711330 is about 11476.5556679694. Note that the first 3 decimals coincide. The cubic root of 131711330 is about 508.7929032713.
Adding to 131711330 its reverse (33117131), we get a palindrome (164828461).
The spelling of 131711330 in words is "one hundred thirty-one million, seven hundred eleven thousand, three hundred thirty".
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