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20524303312 = 245471234467
BaseRepresentation
bin10011000111010110…
…000000001111010000
31221222101002122011221
4103013112000033100
5314013210201222
613232335014424
71324416461662
oct230726001720
957871078157
1020524303312
118782485947
123b8966a414
131c211bba96
14dc9ba6532
15801cd50c7
hex4c75803d0

20524303312 has 20 divisors (see below), whose sum is σ = 39773275776. Its totient is φ = 10260232160.

The previous prime is 20524303259. The next prime is 20524303351. The reversal of 20524303312 is 21330342502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29698 + ... + 204769.

Almost surely, 220524303312 is an apocalyptic number.

It is an amenable number.

20524303312 is a deficient number, since it is larger than the sum of its proper divisors (19248972464).

20524303312 is a wasteful number, since it uses less digits than its factorization.

20524303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239946 (or 239940 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20524303312 its reverse (21330342502), we get a palindrome (41854645814).

The spelling of 20524303312 in words is "twenty billion, five hundred twenty-four million, three hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 5471 10942 21884 43768 87536 234467 468934 937868 1875736 3751472 1282768957 2565537914 5131075828 10262151656 20524303312