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5143025664 = 21134743103
BaseRepresentation
bin1001100101000110…
…00101100000000000
3111021102111202220000
410302203011200000
541013103310124
62210200520000
7241306665630
oct46243054000
914242452800
105143025664
1121aa116337
12bb6480000
1363c68816a
1436b0926c0
152017a96c9
hex1328c5800

5143025664 has 480 divisors, whose sum is σ = 18139080960. Its totient is φ = 1421328384.

The previous prime is 5143025663. The next prime is 5143025669. The reversal of 5143025664 is 4665203415.

5143025664 is a `hidden beast` number, since 51 + 43 + 0 + 2 + 566 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143025663) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49932237 + ... + 49932339.

It is an arithmetic number, because the mean of its divisors is an integer number (37789752).

Almost surely, 25143025664 is an apocalyptic number.

5143025664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5143025664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9069540480).

5143025664 is an abundant number, since it is smaller than the sum of its proper divisors (12996055296).

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

5143025664 is a wasteful number, since it uses less digits than its factorization.

5143025664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 5143025664 is about 71714.8915079706. The cubic root of 5143025664 is about 1726.1276014989.

The spelling of 5143025664 in words is "five billion, one hundred forty-three million, twenty-five thousand, six hundred sixty-four".