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5221213983 = 324313491509
BaseRepresentation
bin1001101110011010…
…10110011100011111
3111110212122011002200
410313031112130133
541143112321413
62222032422543
7243246405126
oct46715263437
914425564080
105221213983
11223a26a387
1210186a7a53
13652932a3b
14377606abd
152085a1573
hex13735671f

5221213983 has 12 divisors (see below), whose sum is σ = 7717143720. Its totient is φ = 3399860016.

The previous prime is 5221213981. The next prime is 5221213993. The reversal of 5221213983 is 3893121225.

5221213983 is a `hidden beast` number, since 52 + 212 + 1 + 398 + 3 = 666.

It is not a de Polignac number, because 5221213983 - 21 = 5221213981 is a prime.

It is a super-2 number, since 2×52212139832 = 54522150912549448578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221213981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6745368 + ... + 6746141.

It is an arithmetic number, because the mean of its divisors is an integer number (643095310).

Almost surely, 25221213983 is an apocalyptic number.

5221213983 is a deficient number, since it is larger than the sum of its proper divisors (2495929737).

5221213983 is a wasteful number, since it uses less digits than its factorization.

5221213983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491558 (or 13491555 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5221213983 is about 72257.9683010808. The cubic root of 5221213983 is about 1734.8309605069.

The spelling of 5221213983 in words is "five billion, two hundred twenty-one million, two hundred thirteen thousand, nine hundred eighty-three".

Divisors: 1 3 9 43 129 387 13491509 40474527 121423581 580134887 1740404661 5221213983