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1361253286 = 2838200321
BaseRepresentation
bin101000100100011…
…0001001110100110
310111212102211110101
41101020301032212
510241440101121
6343024214314
745506314321
oct12110611646
93455384411
101361253286
11639434818
1231ba6a39a
13189033523
14ccb077b8
157e78e491
hex512313a6

1361253286 has 8 divisors (see below), whose sum is σ = 2066481144. Its totient is φ = 672426240.

The previous prime is 1361253281. The next prime is 1361253287. The reversal of 1361253286 is 6823521631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361253281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4099995 + ... + 4100326.

It is an arithmetic number, because the mean of its divisors is an integer number (258310143).

Almost surely, 21361253286 is an apocalyptic number.

1361253286 is a deficient number, since it is larger than the sum of its proper divisors (705227858).

1361253286 is an equidigital number, since it uses as much as digits as its factorization.

1361253286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200406.

The product of its digits is 51840, while the sum is 37.

The square root of 1361253286 is about 36895.1661603522. The cubic root of 1361253286 is about 1108.2718790255.

The spelling of 1361253286 in words is "one billion, three hundred sixty-one million, two hundred fifty-three thousand, two hundred eighty-six".

Divisors: 1 2 83 166 8200321 16400642 680626643 1361253286