Base | Representation |
---|---|
bin | 10011000111010110… |
… | …111010010001100111 |
3 | 1221222101112201021100 |
4 | 103013112322101213 |
5 | 314013240303111 |
6 | 13232344051143 |
7 | 1324421502021 |
oct | 230726722147 |
9 | 57871481240 |
10 | 20524541031 |
11 | 8782628505 |
12 | 3b89763ab3 |
13 | 1c21273047 |
14 | dc9c29011 |
15 | 801d30756 |
hex | 4c75ba467 |
20524541031 has 24 divisors (see below), whose sum is σ = 31401521424. Its totient is φ = 12873611520.
The previous prime is 20524540979. The next prime is 20524541033. The reversal of 20524541031 is 13014542502.
20524541031 is a `hidden beast` number, since 2 + 0 + 5 + 245 + 410 + 3 + 1 = 666.
It is not a de Polignac number, because 20524541031 - 225 = 20490986599 is a prime.
It is a super-2 number, since 2×205245410312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20524540986 and 20524541004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20524541033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442576 + ... + 486746.
It is an arithmetic number, because the mean of its divisors is an integer number (1308396726).
Almost surely, 220524541031 is an apocalyptic number.
20524541031 is a deficient number, since it is larger than the sum of its proper divisors (10876980393).
20524541031 is a wasteful number, since it uses less digits than its factorization.
20524541031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47231 (or 47228 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The spelling of 20524541031 in words is "twenty billion, five hundred twenty-four million, five hundred forty-one thousand, thirty-one".
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