Base | Representation |
---|---|
bin | 101010000010000001… |
… | …011111010011011101 |
3 | 11022111021010111101021 |
4 | 222002001133103131 |
5 | 1214412030221110 |
6 | 32422152044141 |
7 | 3155251014055 |
oct | 520201372335 |
9 | 138437114337 |
10 | 45131101405 |
11 | 1815a36a515 |
12 | 88b6393651 |
13 | 4343124040 |
14 | 2281c38565 |
15 | 12921d82da |
hex | a8205f4dd |
45131101405 has 8 divisors (see below), whose sum is σ = 58323269592. Its totient is φ = 33327582528.
The previous prime is 45131101397. The next prime is 45131101453. The reversal of 45131101405 is 50410113154.
It can be written as a sum of positive squares in 4 ways, for example, as 618119044 + 44512982361 = 24862^2 + 210981^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45131101405 - 23 = 45131101397 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 45131101405.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347162254 + ... + 347162383.
It is an arithmetic number, because the mean of its divisors is an integer number (7290408699).
Almost surely, 245131101405 is an apocalyptic number.
It is an amenable number.
45131101405 is a deficient number, since it is larger than the sum of its proper divisors (13192168187).
45131101405 is a wasteful number, since it uses less digits than its factorization.
45131101405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694324655.
The product of its (nonzero) digits is 1200, while the sum is 25.
Adding to 45131101405 its reverse (50410113154), we get a palindrome (95541214559).
The spelling of 45131101405 in words is "forty-five billion, one hundred thirty-one million, one hundred one thousand, four hundred five".
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