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2832780805285 = 54012740751551
BaseRepresentation
bin101001001110001110111…
…001001100010010100101
3101000210220100212001001011
4221032032321030102211
5332403013341232120
610005210031502221
7411442643361004
oct51161671142245
911023810761034
102832780805285
119a2414a067a2
12399018687971
1317718ca42342
149b1706c8c3b
154da490e0c5a
hex2938ee4c4a5

2832780805285 has 16 divisors (see below), whose sum is σ = 3408004564992. Its totient is φ = 2260446880000.

The previous prime is 2832780805273. The next prime is 2832780805301. The reversal of 2832780805285 is 5825080872382.

It is a happy number.

It is not a de Polignac number, because 2832780805285 - 219 = 2832780280997 is a prime.

It is a super-2 number, since 2×28327808052852 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54925260 + ... + 54976810.

It is an arithmetic number, because the mean of its divisors is an integer number (213000285312).

Almost surely, 22832780805285 is an apocalyptic number.

It is an amenable number.

2832780805285 is a deficient number, since it is larger than the sum of its proper divisors (575223759707).

2832780805285 is a wasteful number, since it uses less digits than its factorization.

2832780805285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79364.

The product of its (nonzero) digits is 17203200, while the sum is 58.

The spelling of 2832780805285 in words is "two trillion, eight hundred thirty-two billion, seven hundred eighty million, eight hundred five thousand, two hundred eighty-five".

Divisors: 1 5 401 2005 27407 51551 137035 257755 10990207 20671951 54951035 103359755 1412858257 7064291285 566556161057 2832780805285