Base | Representation |
---|---|
bin | 1001010000001000001101… |
… | …01100000101010011101101 |
3 | 2200000222221222101012202212 |
4 | 10220010012230011103231 |
5 | 10131314310302104100 |
6 | 111134311321100205 |
7 | 4166622202106636 |
oct | 450040654052355 |
9 | 80028858335685 |
10 | 20345372300525 |
11 | 6534473296268 |
12 | 23470a0027665 |
13 | b477391b723c |
14 | 504a1526288d |
15 | 25436a9c4635 |
hex | 128106b054ed |
20345372300525 has 12 divisors (see below), whose sum is σ = 26042076545664. Its totient is φ = 15751255974000.
The previous prime is 20345372300503. The next prime is 20345372300537. The reversal of 20345372300525 is 52500327354302.
It is not a de Polignac number, because 20345372300525 - 212 = 20345372296429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13126045871 + ... + 13126047420.
It is an arithmetic number, because the mean of its divisors is an integer number (2170173045472).
Almost surely, 220345372300525 is an apocalyptic number.
20345372300525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20345372300525 is a deficient number, since it is larger than the sum of its proper divisors (5696704245139).
20345372300525 is a wasteful number, since it uses less digits than its factorization.
20345372300525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26252093332 (or 26252093327 counting only the distinct ones).
The product of its (nonzero) digits is 756000, while the sum is 41.
Adding to 20345372300525 its reverse (52500327354302), we get a palindrome (72845699654827).
The spelling of 20345372300525 in words is "twenty trillion, three hundred forty-five billion, three hundred seventy-two million, three hundred thousand, five hundred twenty-five".
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