Base | Representation |
---|---|
bin | 10010101111010001… |
… | …101101101001101111 |
3 | 1220221020022121001022 |
4 | 102233101231221233 |
5 | 312201323303143 |
6 | 13124312404355 |
7 | 1311414433655 |
oct | 225721555157 |
9 | 56836277038 |
10 | 20120525423 |
11 | 859556a609 |
12 | 3a963a66bb |
13 | 1b88656a5b |
14 | d8c2dadd5 |
15 | 7cb627268 |
hex | 4af46da6f |
20120525423 has 8 divisors (see below), whose sum is σ = 21515019120. Its totient is φ = 18749468800.
The previous prime is 20120525401. The next prime is 20120525431. The reversal of 20120525423 is 32452502102.
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 20120525423 - 28 = 20120525167 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20120525392 and 20120525401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120525473) 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, 5857493 + ... + 5860926.
It is an arithmetic number, because the mean of its divisors is an integer number (2689377390).
Almost surely, 220120525423 is an apocalyptic number.
20120525423 is a deficient number, since it is larger than the sum of its proper divisors (1394493697).
20120525423 is a wasteful number, since it uses less digits than its factorization.
20120525423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11718537.
The product of its (nonzero) digits is 4800, while the sum is 26.
The spelling of 20120525423 in words is "twenty billion, one hundred twenty million, five hundred twenty-five thousand, four hundred twenty-three".
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