Search a number
-
+
2805585081036 = 223832816852491
BaseRepresentation
bin101000110100111001111…
…001101111001011001100
3100221012201001022002210220
4220310321321233023030
5331431314240043121
65544511253031340
7406461004466133
oct50647171571314
910835631262726
102805585081036
11991929700631
123938a8925550
1317474764370a
1499b1089891a
154cea67986c6
hex28d39e6f2cc

2805585081036 has 24 divisors (see below), whose sum is σ = 6625237061184. Its totient is φ = 923927616720.

The previous prime is 2805585080927. The next prime is 2805585081067. The reversal of 2805585081036 is 6301805855082.

It is a self number, because there is not a number n which added to its sum of digits gives 2805585081036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408425250 + ... + 1408427241.

It is an arithmetic number, because the mean of its divisors is an integer number (276051544216).

Almost surely, 22805585081036 is an apocalyptic number.

It is an amenable number.

2805585081036 is an abundant number, since it is smaller than the sum of its proper divisors (3819651980148).

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

2805585081036 is a wasteful number, since it uses less digits than its factorization.

2805585081036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816852581 (or 2816852579 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 2805585081036 in words is "two trillion, eight hundred five billion, five hundred eighty-five million, eighty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 2816852491 5633704982 8450557473 11267409964 16901114946 33802229892 233798756753 467597513506 701396270259 935195027012 1402792540518 2805585081036