Search a number
-
+
11211202103 = 731638391123
BaseRepresentation
bin10100111000011110…
…10101111000110111
31001221022212002001112
422130033111320313
5140430031431403
65052250545235
7544552434263
oct123417257067
931838762045
1011211202103
114833482092
12220a73821b
1310989046ca
14784d6b0a3
154593ac9d8
hex29c3d5e37

11211202103 has 16 divisors (see below), whose sum is σ = 11458325760. Its totient is φ = 10966912704.

The previous prime is 11211202099. The next prime is 11211202157. The reversal of 11211202103 is 30120211211.

It is a cyclic number.

It is not a de Polignac number, because 11211202103 - 22 = 11211202099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211202003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9982700 + ... + 9983822.

It is an arithmetic number, because the mean of its divisors is an integer number (716145360).

Almost surely, 211211202103 is an apocalyptic number.

11211202103 is a deficient number, since it is larger than the sum of its proper divisors (247123657).

11211202103 is a wasteful number, since it uses less digits than its factorization.

11211202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11211202103 its reverse (30120211211), we get a palindrome (41331413314).

The spelling of 11211202103 in words is "eleven billion, two hundred eleven million, two hundred two thousand, one hundred three".

Divisors: 1 73 163 839 1123 11899 61247 81979 136757 183049 942197 9983261 13362577 68780381 153578111 11211202103