Base | Representation |
---|---|
bin | 10010101000111100… |
… | …110101000101000011 |
3 | 1220122211121020012222 |
4 | 102220330311011003 |
5 | 311442140400043 |
6 | 13110001441255 |
7 | 1305655326014 |
oct | 225074650503 |
9 | 56584536188 |
10 | 20014387523 |
11 | 8540666639 |
12 | 3a6694022b |
13 | 1b6c674570 |
14 | d7c18d00b |
15 | 7c215dd68 |
hex | 4a8f35143 |
20014387523 has 8 divisors (see below), whose sum is σ = 22688374800. Its totient is φ = 17502460128.
The previous prime is 20014387501. The next prime is 20014387529. The reversal of 20014387523 is 32578341002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20014387523 - 210 = 20014386499 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20014387529) 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, 40514708 + ... + 40515201.
It is an arithmetic number, because the mean of its divisors is an integer number (2836046850).
Almost surely, 220014387523 is an apocalyptic number.
20014387523 is a deficient number, since it is larger than the sum of its proper divisors (2673987277).
20014387523 is a wasteful number, since it uses less digits than its factorization.
20014387523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81029941.
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 20014387523 in words is "twenty billion, fourteen million, three hundred eighty-seven thousand, five hundred twenty-three".
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