Base | Representation |
---|---|
bin | 10100100100111110111001… |
… | …00111011001110010100011 |
3 | 12221012222012122212122102102 |
4 | 22102133130213121302203 |
5 | 21412343410013431011 |
6 | 240124034514041015 |
7 | 12350201316520565 |
oct | 1222373447316243 |
9 | 187188178778372 |
10 | 45251181780131 |
11 | 13466a11467778 |
12 | 50a9b9527916b |
13 | 1c33225502ca2 |
14 | b262515bd335 |
15 | 537148d9473b |
hex | 2927dc9d9ca3 |
45251181780131 has 8 divisors (see below), whose sum is σ = 46355138969328. Its totient is φ = 44147237440000.
The previous prime is 45251181780097. The next prime is 45251181780143. The reversal of 45251181780131 is 13108718115254.
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 45251181780131 - 230 = 45250108038307 is a prime.
It is a super-2 number, since 2×452511817801312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45250181780131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118771 + ... + 10366611.
It is an arithmetic number, because the mean of its divisors is an integer number (5794392371166).
Almost surely, 245251181780131 is an apocalyptic number.
45251181780131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
45251181780131 is a deficient number, since it is larger than the sum of its proper divisors (1103957189197).
45251181780131 is a wasteful number, since it uses less digits than its factorization.
45251181780131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6424533.
The product of its (nonzero) digits is 268800, while the sum is 47.
Adding to 45251181780131 its reverse (13108718115254), we get a palindrome (58359899895385).
The spelling of 45251181780131 in words is "forty-five trillion, two hundred fifty-one billion, one hundred eighty-one million, seven hundred eighty thousand, one hundred thirty-one".
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