Search a number
-
+
20524354552 = 2313197349563
BaseRepresentation
bin10011000111010110…
…001100101111111000
31221222101012020110201
4103013112030233320
5314013213321202
613232340051544
71324420064242
oct230726145770
957871166421
1020524354552
118782510399
123b89693bb4
131c212091c0
14dc9bbb092
15801ce5387
hex4c758cbf8

20524354552 has 16 divisors (see below), whose sum is σ = 41443408440. Its totient is φ = 9472778976.

The previous prime is 20524354523. The next prime is 20524354567. The reversal of 20524354552 is 25545342502.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 98674678 + ... + 98674885.

Almost surely, 220524354552 is an apocalyptic number.

It is an amenable number.

20524354552 is an abundant number, since it is smaller than the sum of its proper divisors (20919053888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20524354552 is a wasteful number, since it uses less digits than its factorization.

20524354552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197349582 (or 197349578 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 20524354552 in words is "twenty billion, five hundred twenty-four million, three hundred fifty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 197349563 394699126 789398252 1578796504 2565544319 5131088638 10262177276 20524354552