Search a number
-
+
1361545101 = 32721611827
BaseRepresentation
bin101000100100111…
…1000011110001101
310111212222122202100
41101021320132031
510242023420401
6343034345313
745511641150
oct12111703615
93455878670
101361545101
11639613a94
1231bb8b239
131891062b7
14ccb81c97
157e7eab86
hex5127878d

1361545101 has 12 divisors (see below), whose sum is σ = 2247630112. Its totient is φ = 778025736.

The previous prime is 1361545057. The next prime is 1361545103. The reversal of 1361545101 is 1015451631.

1361545101 is a `hidden beast` number, since 1 + 3 + 615 + 45 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 1361545101 - 214 = 1361528717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361545103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10805851 + ... + 10805976.

Almost surely, 21361545101 is an apocalyptic number.

It is an amenable number.

1361545101 is a deficient number, since it is larger than the sum of its proper divisors (886085011).

1361545101 is a wasteful number, since it uses less digits than its factorization.

1361545101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21611840 (or 21611837 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1361545101 is about 36899.1205992772. The cubic root of 1361545101 is about 1108.3510676316.

Adding to 1361545101 its reverse (1015451631), we get a palindrome (2376996732).

The spelling of 1361545101 in words is "one billion, three hundred sixty-one million, five hundred forty-five thousand, one hundred one".

Divisors: 1 3 7 9 21 63 21611827 64835481 151282789 194506443 453848367 1361545101