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4851362880 = 26325713107173
BaseRepresentation
bin1001000010010100…
…11110110001000000
3110112002200202202200
410201022132301000
534413422103010
62121221313200
7231135622050
oct44112366100
913462622680
104851362880
11206a516811
12b34865800
135c4119130
1434044d560
151d5d95cc0
hex12129ec40

4851362880 has 672 divisors, whose sum is σ = 20849197824. Its totient is φ = 1008156672.

The previous prime is 4851362869. The next prime is 4851362911. The reversal of 4851362880 is 882631584.

4851362880 is a `hidden beast` number, since 4 + 8 + 5 + 13 + 628 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28042474 + ... + 28042646.

It is an arithmetic number, because the mean of its divisors is an integer number (31025592).

It is a vampire number, since it can be written as 5812883460 (with its own digits).

Almost surely, 24851362880 is an apocalyptic number.

4851362880 is a gapful number since it is divisible by the number (40) 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 4851362880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10424598912).

4851362880 is an abundant number, since it is smaller than the sum of its proper divisors (15997834944).

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

4851362880 is a wasteful number, since it uses less digits than its factorization.

4851362880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 4851362880 is about 69651.7256067644. The cubic root of 4851362880 is about 1692.8608197935.

The spelling of 4851362880 in words is "four billion, eight hundred fifty-one million, three hundred sixty-two thousand, eight hundred eighty".