Search a number
-
+
2768054365440 = 283257133737079
BaseRepresentation
bin101000010001111100111…
…001011010110100000000
3100210121211110122012201100
4220101330321122310000
5330322433404143230
65515343203334400
7403661652615210
oct50217471326400
910717743565640
102768054365440
11977a1a587501
12388573981400
131710460279b0
1497d90224240
154c00b971660
hex2847ce5ad00

2768054365440 has 864 divisors, whose sum is σ = 11820569080320. Its totient is φ = 582381010944.

The previous prime is 2768054365411. The next prime is 2768054365459. The reversal of 2768054365440 is 445634508672.

2768054365440 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 0 + 543 + 6 + 54 + 40 = 666.

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, 391019821 + ... + 391026899.

Almost surely, 22768054365440 is an apocalyptic number.

2768054365440 is a gapful number since it is divisible by the number (20) 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 2768054365440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5910284540160).

2768054365440 is an abundant number, since it is smaller than the sum of its proper divisors (9052514714880).

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

2768054365440 is a wasteful number, since it uses less digits than its factorization.

2768054365440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7482 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 2768054365440 in words is "two trillion, seven hundred sixty-eight billion, fifty-four million, three hundred sixty-five thousand, four hundred forty".