Search a number
-
+
20524541023 = 75355322213
BaseRepresentation
bin10011000111010110…
…111010010001011111
31221222101112201021001
4103013112322101133
5314013240303043
613232344051131
71324421502010
oct230726722137
957871481231
1020524541023
1187826284a8
123b89763aa7
131c2127303c
14dc9c29007
15801d3074d
hex4c75ba45f

20524541023 has 8 divisors (see below), whose sum is σ = 23899196448. Its totient is φ = 17260530144.

The previous prime is 20524540979. The next prime is 20524541033. The reversal of 20524541023 is 32014542502.

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 20524541023 - 29 = 20524540511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20524540982 and 20524541000.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27660736 + ... + 27661477.

It is an arithmetic number, because the mean of its divisors is an integer number (2987399556).

Almost surely, 220524541023 is an apocalyptic number.

20524541023 is a deficient number, since it is larger than the sum of its proper divisors (3374655425).

20524541023 is an equidigital number, since it uses as much as digits as its factorization.

20524541023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55322273.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 20524541023 in words is "twenty billion, five hundred twenty-four million, five hundred forty-one thousand, twenty-three".

Divisors: 1 7 53 371 55322213 387255491 2932077289 20524541023