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5143821312 = 21037251953
BaseRepresentation
bin1001100101001100…
…00111110000000000
3111021111000012022110
410302212013300000
541013304240222
62210225535320
7241316521410
oct46246076000
914244005273
105143821312
1121aa60a0a3
12bb67a4540
1363c8a6366
1436b21c640
152018b530c
hex132987c00

5143821312 has 176 divisors, whose sum is σ = 15747685632. Its totient is φ = 1462272000.

The previous prime is 5143821281. The next prime is 5143821313. The reversal of 5143821312 is 2131283415.

It is a self number, because there is not a number n which added to its sum of digits gives 5143821312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143821313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5397028 + ... + 5397980.

Almost surely, 25143821312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5143821312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7873842816).

5143821312 is an abundant number, since it is smaller than the sum of its proper divisors (10603864320).

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

5143821312 is a wasteful number, since it uses less digits than its factorization.

5143821312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1216 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 5143821312 is about 71720.4385931932. The cubic root of 5143821312 is about 1726.2166100091.

The spelling of 5143821312 in words is "five billion, one hundred forty-three million, eight hundred twenty-one thousand, three hundred twelve".