Search a number
-
+
1361335047 = 31923883071
BaseRepresentation
bin101000100100100…
…0101001100000111
310111212120222121120
41101021011030013
510242000210142
6343030045023
745510104562
oct12111051407
93455528546
101361335047
11639490196
1231baa9773
131890617c7
14ccb294d9
157e7a87ec
hex51245307

1361335047 has 8 divisors (see below), whose sum is σ = 1910645760. Its totient is φ = 859790520.

The previous prime is 1361335037. The next prime is 1361335057. The reversal of 1361335047 is 7405331631.

It is an interprime number because it is at equal distance from previous prime (1361335037) and next prime (1361335057).

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

It is not a de Polignac number, because 1361335047 - 218 = 1361072903 is a prime.

It is a super-2 number, since 2×13613350472 = 3706466220380984418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1361334999 and 1361335017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361335037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11941479 + ... + 11941592.

It is an arithmetic number, because the mean of its divisors is an integer number (238830720).

Almost surely, 21361335047 is an apocalyptic number.

1361335047 is a deficient number, since it is larger than the sum of its proper divisors (549310713).

1361335047 is a wasteful number, since it uses less digits than its factorization.

1361335047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23883093.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 1361335047 is about 36896.2741614922. The cubic root of 1361335047 is about 1108.2940673044.

Adding to 1361335047 its reverse (7405331631), we get a palindrome (8766666678).

The spelling of 1361335047 in words is "one billion, three hundred sixty-one million, three hundred thirty-five thousand, forty-seven".

Divisors: 1 3 19 57 23883071 71649213 453778349 1361335047