Base | Representation |
---|---|
bin | 111100101001100110… |
… | …1010001000011011011 |
3 | 110110011222221211000202 |
4 | 1321103031101003123 |
5 | 4113220210134111 |
6 | 135500030252415 |
7 | 12260410165124 |
oct | 1712315210333 |
9 | 413158854022 |
10 | 130245005531 |
11 | 50266a01443 |
12 | 212aa95710b |
13 | c388888b14 |
14 | 6437c4504b |
15 | 35c460cb3b |
hex | 1e533510db |
130245005531 has 8 divisors (see below), whose sum is σ = 133308470064. Its totient is φ = 127183109760.
The previous prime is 130245005509. The next prime is 130245005591. The reversal of 130245005531 is 135500542031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130245005531 is a prime.
It is a super-2 number, since 2×1302450055312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130245005494 and 130245005503.
It is not an unprimeable number, because it can be changed into a prime (130245005591) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223346 + ... + 557111.
It is an arithmetic number, because the mean of its divisors is an integer number (16663558758).
Almost surely, 2130245005531 is an apocalyptic number.
130245005531 is a deficient number, since it is larger than the sum of its proper divisors (3063464533).
130245005531 is an equidigital number, since it uses as much as digits as its factorization.
130245005531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784381.
The product of its (nonzero) digits is 9000, while the sum is 29.
Adding to 130245005531 its reverse (135500542031), we get a palindrome (265745547562).
The spelling of 130245005531 in words is "one hundred thirty billion, two hundred forty-five million, five thousand, five hundred thirty-one".
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