Search a number
-
+
2688486237216 = 25321317273101337
BaseRepresentation
bin100111000111110110010…
…001000110010000100000
3100112000110020011111102100
4213013312101012100200
5323022004434042331
65415023514250400
7365144123651043
oct47076621062040
910460406144370
102688486237216
119471a943504a
12375068726a00
131666a5513410
14941a2988c5a
1549e0135eae6
hex271f6446420

2688486237216 has 864 divisors, whose sum is σ = 8980466655888. Its totient is φ = 758041804800.

The previous prime is 2688486237209. The next prime is 2688486237247. The reversal of 2688486237216 is 6127326848862.

2688486237216 is a `hidden beast` number, since 2 + 6 + 88 + 486 + 2 + 3 + 72 + 1 + 6 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 246154899600 + 2442331337616 = 496140^2 + 1562796^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7977703800 + ... + 7977704136.

Almost surely, 22688486237216 is an apocalyptic number.

2688486237216 is a gapful number since it is divisible by the number (26) 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 2688486237216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490233327944).

2688486237216 is an abundant number, since it is smaller than the sum of its proper divisors (6291980418672).

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

2688486237216 is a wasteful number, since it uses less digits than its factorization.

2688486237216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 546 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 2688486237216 in words is "two trillion, six hundred eighty-eight billion, four hundred eighty-six million, two hundred thirty-seven thousand, two hundred sixteen".