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5018518080 = 263353141457
BaseRepresentation
bin1001010110010000…
…01000001001000000
3110221202020010121000
410223020020021000
540234220034310
62145552132000
7235235462022
oct45310101100
913852203530
105018518080
112145905a04
12b80837000
1361c943634
14358722012
151e58b34c0
hex12b208240

5018518080 has 448 divisors, whose sum is σ = 18762024960. Its totient is φ = 1260748800.

The previous prime is 5018518061. The next prime is 5018518147. The reversal of 5018518080 is 808158105.

5018518080 is a `hidden beast` number, since 50 + 18 + 518 + 0 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10981212 + ... + 10981668.

It is an arithmetic number, because the mean of its divisors is an integer number (41879520).

Almost surely, 25018518080 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 5018518080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9381012480).

5018518080 is an abundant number, since it is smaller than the sum of its proper divisors (13743506880).

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

5018518080 is a wasteful number, since it uses less digits than its factorization.

5018518080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 5018518080 is about 70841.4997017991. The cubic root of 5018518080 is about 1712.0843773011.

It can be divided in two parts, 50185 and 18080, that added together give a triangular number (68265 = T369).

The spelling of 5018518080 in words is "five billion, eighteen million, five hundred eighteen thousand, eighty".