Base | Representation |
---|---|
bin | 1111101001110… |
… | …10100110000010 |
3 | 100011002100012111 |
4 | 13310322212002 |
5 | 232103441002 |
6 | 21010245534 |
7 | 3153063553 |
oct | 764724602 |
9 | 304070174 |
10 | 131312002 |
11 | 68138718 |
12 | 37b868aa |
13 | 21287a13 |
14 | 1362232a |
15 | b7dc3d7 |
hex | 7d3a982 |
131312002 has 16 divisors (see below), whose sum is σ = 207568800. Its totient is φ = 62130240.
The previous prime is 131311987. The next prime is 131312011. The reversal of 131312002 is 200213131.
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, 50449 + ... + 52987.
It is an arithmetic number, because the mean of its divisors is an integer number (12973050).
Almost surely, 2131312002 is an apocalyptic number.
131312002 is a deficient number, since it is larger than the sum of its proper divisors (76256798).
131312002 is a wasteful number, since it uses less digits than its factorization.
131312002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3921.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 131312002 is about 11459.1449070164. The cubic root of 131312002 is about 508.2781894376.
Adding to 131312002 its reverse (200213131), we get a palindrome (331525133).
It can be divided in two parts, 13131 and 2002, that multiplied together give a palindrome (26288262).
The spelling of 131312002 in words is "one hundred thirty-one million, three hundred twelve thousand, two".
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