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1361332115 = 511131903961
BaseRepresentation
bin101000100100100…
…0100011110010011
310111212120211120222
41101021010132103
510242000111430
6343030023255
745510063203
oct12111043623
93455524528
101361332115
11639488a70
1231baa7b2b
13189060380
14ccb28403
157e7a79e5
hex51244793

1361332115 has 16 divisors (see below), whose sum is σ = 1919193696. Its totient is φ = 913900800.

The previous prime is 1361332099. The next prime is 1361332117. The reversal of 1361332115 is 5112331631.

It is not a de Polignac number, because 1361332115 - 24 = 1361332099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361332117) 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 15 ways as a sum of consecutive naturals, for example, 951266 + ... + 952695.

It is an arithmetic number, because the mean of its divisors is an integer number (119949606).

Almost surely, 21361332115 is an apocalyptic number.

1361332115 is a deficient number, since it is larger than the sum of its proper divisors (557861581).

1361332115 is a wasteful number, since it uses less digits than its factorization.

1361332115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903990.

The product of its digits is 1620, while the sum is 26.

The square root of 1361332115 is about 36896.2344284617. The cubic root of 1361332115 is about 1108.2932716344.

Adding to 1361332115 its reverse (5112331631), we get a palindrome (6473663746).

The spelling of 1361332115 in words is "one billion, three hundred sixty-one million, three hundred thirty-two thousand, one hundred fifteen".

Divisors: 1 5 11 13 55 65 143 715 1903961 9519805 20943571 24751493 104717855 123757465 272266423 1361332115