Base | Representation |
---|---|
bin | 11101110010100110000100… |
… | …101011000000010001110010 |
3 | 122011220102001020101011002120 |
4 | 131302212010223000101302 |
5 | 114133113334011332242 |
6 | 1142353503405455110 |
7 | 36411616530114600 |
oct | 3562460453002162 |
9 | 564812036334076 |
10 | 131020203230322 |
11 | 388243a104108a |
12 | 12840714b71496 |
13 | 58151c9374083 |
14 | 244d5a98b0870 |
15 | 10232098221ec |
hex | 772984ac0472 |
131020203230322 has 48 divisors (see below), whose sum is σ = 304843320724320. Its totient is φ = 37431788524032.
The previous prime is 131020203230321. The next prime is 131020203230327. The reversal of 131020203230322 is 223032302020131.
It is a junction number, because it is equal to n+sod(n) for n = 131020203230292 and 131020203230301.
It is not an unprimeable number, because it can be changed into a prime (131020203230321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10893372 + ... + 19511687.
It is an arithmetic number, because the mean of its divisors is an integer number (6350902515090).
Almost surely, 2131020203230322 is an apocalyptic number.
131020203230322 is an abundant number, since it is smaller than the sum of its proper divisors (173823117493998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020203230322 is a wasteful number, since it uses less digits than its factorization.
131020203230322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30419735 (or 30419728 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 131020203230322 its reverse (223032302020131), we get a palindrome (354052505250453).
The spelling of 131020203230322 in words is "one hundred thirty-one trillion, twenty billion, two hundred three million, two hundred thirty thousand, three hundred twenty-two".
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