Search a number
-
+
675128386240 = 265711219314229
BaseRepresentation
bin10011101001100001100…
…10011010001011000000
32101112121212011111201221
421310300302122023000
542030130331324430
61234052200204424
766530211412030
oct11646062321300
92345555144657
10675128386240
11240358412100
12aaa17169714
134b883705819
142496801b8c0
15128657e557a
hex9d30c9a2c0

675128386240 has 672 divisors, whose sum is σ = 2194911129600. Its totient is φ = 192877977600.

The previous prime is 675128386223. The next prime is 675128386327. The reversal of 675128386240 is 42683821576.

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, 159640446 + ... + 159644674.

It is an arithmetic number, because the mean of its divisors is an integer number (3266236800).

Almost surely, 2675128386240 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 675128386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097455564800).

675128386240 is an abundant number, since it is smaller than the sum of its proper divisors (1519782743360).

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

675128386240 is a wasteful number, since it uses less digits than its factorization.

675128386240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 675128386240 in words is "six hundred seventy-five billion, one hundred twenty-eight million, three hundred eighty-six thousand, two hundred forty".