Base | Representation |
---|---|
bin | 11101110010111000111010… |
… | …010010111000101001111111 |
3 | 122011222100020220001012120002 |
4 | 131302320322102320221333 |
5 | 114133431300114331033 |
6 | 1142411050444344515 |
7 | 36413234006560550 |
oct | 3562707222705177 |
9 | 564870226035502 |
10 | 131040430230143 |
11 | 38831a30714465 |
12 | 1284461ab4513b |
13 | 58170a0a9a515 |
14 | 2450567da6327 |
15 | 10239e047c3e8 |
hex | 772e3a4b8a7f |
131040430230143 has 4 divisors (see below), whose sum is σ = 149760491691600. Its totient is φ = 112320368768688.
The previous prime is 131040430230139. The next prime is 131040430230211. The reversal of 131040430230143 is 341032034040131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131040430230143 - 22 = 131040430230139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131040430200143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9360030730718 + ... + 9360030730731.
It is an arithmetic number, because the mean of its divisors is an integer number (37440122922900).
Almost surely, 2131040430230143 is an apocalyptic number.
131040430230143 is a deficient number, since it is larger than the sum of its proper divisors (18720061461457).
131040430230143 is an equidigital number, since it uses as much as digits as its factorization.
131040430230143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18720061461456.
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 131040430230143 its reverse (341032034040131), we get a palindrome (472072464270274).
The spelling of 131040430230143 in words is "one hundred thirty-one trillion, forty billion, four hundred thirty million, two hundred thirty thousand, one hundred forty-three".
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