Base | Representation |
---|---|
bin | 101010000010000001… |
… | …011000101011111110 |
3 | 11022111021002010012110 |
4 | 222002001120223332 |
5 | 1214412023334202 |
6 | 32422151314450 |
7 | 3155250542046 |
oct | 520201305376 |
9 | 138437063173 |
10 | 45131074302 |
11 | 1815a351116 |
12 | 88b637ba26 |
13 | 43431148c2 |
14 | 2281c2c726 |
15 | 12921d026c |
hex | a82058afe |
45131074302 has 32 divisors (see below), whose sum is σ = 90526770432. Its totient is φ = 14999638464.
The previous prime is 45131074291. The next prime is 45131074381. The reversal of 45131074302 is 20347013154.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 45131074302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225573 + ... + 4236239.
It is an arithmetic number, because the mean of its divisors is an integer number (2828961576).
Almost surely, 245131074302 is an apocalyptic number.
45131074302 is an abundant number, since it is smaller than the sum of its proper divisors (45395696130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45131074302 is a wasteful number, since it uses less digits than its factorization.
45131074302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12672.
The product of its (nonzero) digits is 10080, while the sum is 30.
Adding to 45131074302 its reverse (20347013154), we get a palindrome (65478087456).
The spelling of 45131074302 in words is "forty-five billion, one hundred thirty-one million, seventy-four thousand, three hundred two".
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