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5481350784 = 273371329601
BaseRepresentation
bin1010001101011011…
…01100011010000000
3112011000010110201000
411012231230122000
542211211211114
62303524212000
7252555466350
oct50655543200
915130113630
105481350784
112363096a78
12108b83a000
136947b4340
1439dda0b60
15221338e09
hex146b6c680

5481350784 has 512 divisors, whose sum is σ = 20631744000. Its totient is φ = 1393459200.

The previous prime is 5481350729. The next prime is 5481350807. The reversal of 5481350784 is 4870531845.

5481350784 is a `hidden beast` number, since 54 + 8 + 13 + 507 + 84 = 666.

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, 9120084 + ... + 9120684.

It is an arithmetic number, because the mean of its divisors is an integer number (40296375).

Almost surely, 25481350784 is an apocalyptic number.

5481350784 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 5481350784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10315872000).

5481350784 is an abundant number, since it is smaller than the sum of its proper divisors (15150393216).

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

5481350784 is a wasteful number, since it uses less digits than its factorization.

5481350784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 5481350784 is about 74036.1451184487. The cubic root of 5481350784 is about 1763.1768105970.

It can be divided in two parts, 5481 and 350784, that multiplied together give a square (1922647104 = 438482).

The spelling of 5481350784 in words is "five billion, four hundred eighty-one million, three hundred fifty thousand, seven hundred eighty-four".