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2836734121 = 1321722412
BaseRepresentation
bin1010100100010101…
…0010000010101001
321022200211000122201
42221011102002221
521302200442441
61145253020201
7130203561604
oct25105220251
97280730581
102836734121
111226298371
12672024661
1336291c400
141cca6733b
15119093c31
hexa91520a9

2836734121 has 27 divisors (see below), whose sum is σ = 3276644463. Its totient is φ = 2454266880.

The previous prime is 2836734091. The next prime is 2836734139. The reversal of 2836734121 is 1214376382.

It is a happy number.

The square root of 2836734121 is 53261.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 947962521 + 1888771600 = 30789^2 + 43460^2 .

It is not a de Polignac number, because 2836734121 - 213 = 2836725929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2836734161) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11770561 + ... + 11770801.

Almost surely, 22836734121 is an apocalyptic number.

2836734121 is the 53261-st square number.

2836734121 is the 26631-st centered octagonal number.

It is an amenable number.

2836734121 is a deficient number, since it is larger than the sum of its proper divisors (439910342).

2836734121 is an equidigital number, since it uses as much as digits as its factorization.

2836734121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 271 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The cubic root of 2836734121 is about 1415.5967085464.

The spelling of 2836734121 in words is "two billion, eight hundred thirty-six million, seven hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 13 17 169 221 241 289 2873 3133 3757 4097 40729 48841 53261 58081 69649 692393 755053 905437 987377 9815689 11770681 12835901 16785409 166866713 218210317 2836734121