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5145742080 = 28345311601
BaseRepresentation
bin1001100101011010…
…11100101100000000
3111021121121210010000
410302231130230000
541014302221310
62210335040000
7241342041333
oct46255345400
914247553100
105145742080
112200701206
12bb7370000
136400c96cb
1436b59c61a
15201b444c0
hex132b5cb00

5145742080 has 360 divisors, whose sum is σ = 19018226304. Its totient is φ = 1327104000.

The previous prime is 5145741983. The next prime is 5145742139. The reversal of 5145742080 is 802475415.

5145742080 is a `hidden beast` number, since 5 + 1 + 4 + 574 + 2 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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 39 ways as a sum of consecutive naturals, for example, 3213280 + ... + 3214880.

Almost surely, 25145742080 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 5145742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9509113152).

5145742080 is an abundant number, since it is smaller than the sum of its proper divisors (13872484224).

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

5145742080 is a wasteful number, since it uses less digits than its factorization.

5145742080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 5145742080 is about 71733.8280032510. The cubic root of 5145742080 is about 1726.4314469826.

The spelling of 5145742080 in words is "five billion, one hundred forty-five million, seven hundred forty-two thousand, eighty".