Search a number
-
+
2869281099072 = 2633191091495381
BaseRepresentation
bin101001110000001110011…
…110110000110101000000
3101011022010010121002011000
4221300032132300311000
5334002241430132242
610034043551452000
7414204313634463
oct51601636606500
911138103532130
102869281099072
11a06945418753
123a4104527000
1317a758a2bc0b
149cc341732da
154e983727a4c
hex29c0e7b0d40

2869281099072 has 448 divisors, whose sum is σ = 9022384800000. Its totient is φ = 891584962560.

The previous prime is 2869281099011. The next prime is 2869281099101. The reversal of 2869281099072 is 2709901829682.

It is a happy number.

2869281099072 is a `hidden beast` number, since 286 + 9 + 281 + 0 + 9 + 9 + 0 + 72 = 666.

It is a super-2 number, since 2×28692810990722 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533221822 + ... + 533227202.

Almost surely, 22869281099072 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 2869281099072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4511192400000).

2869281099072 is an abundant number, since it is smaller than the sum of its proper divisors (6153103700928).

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

2869281099072 is a wasteful number, since it uses less digits than its factorization.

2869281099072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5679 (or 5663 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 2869281099072 in words is "two trillion, eight hundred sixty-nine billion, two hundred eighty-one million, ninety-nine thousand, seventy-two".