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3086721456 = 2437132192861
BaseRepresentation
bin1011011111111011…
…1010000110110000
321222010012200210220
42313332322012300
522310200041311
61230143053040
7136330461630
oct26776720660
97863180726
103086721456
111344412575
127218a1180
133a2659100
14213d3c6c0
15130ec4206
hexb7fba1b0

3086721456 has 240 divisors, whose sum is σ = 10391120640. Its totient is φ = 770964480.

The previous prime is 3086721427. The next prime is 3086721479. The reversal of 3086721456 is 6541276803.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077466 + ... + 1080326.

It is an arithmetic number, because the mean of its divisors is an integer number (43296336).

Almost surely, 23086721456 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 3086721456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5195560320).

3086721456 is an abundant number, since it is smaller than the sum of its proper divisors (7304399184).

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

3086721456 is a wasteful number, since it uses less digits than its factorization.

3086721456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3086721456 is about 55558.2708154241. The cubic root of 3086721456 is about 1456.0148808003.

The spelling of 3086721456 in words is "three billion, eighty-six million, seven hundred twenty-one thousand, four hundred fifty-six".