Search a number
-
+
11211202230 = 235449832309
BaseRepresentation
bin10100111000011110…
…10101111010110110
31001221022212002020020
422130033111322312
5140430031432410
65052250550010
7544552434534
oct123417257266
931838762206
1011211202230
114833482198
12220a738306
131098904797
14784d6b154
154593aca70
hex29c3d5eb6

11211202230 has 32 divisors (see below), whose sum is σ = 26966844000. Its totient is φ = 2982991872.

The previous prime is 11211202229. The next prime is 11211202231. The reversal of 11211202230 is 3220211211.

It is an interprime number because it is at equal distance from previous prime (11211202229) and next prime (11211202231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211202231) 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, 402685 + ... + 429624.

It is an arithmetic number, because the mean of its divisors is an integer number (842713875).

Almost surely, 211211202230 is an apocalyptic number.

11211202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211202230 is an abundant number, since it is smaller than the sum of its proper divisors (15755641770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211202230 is a wasteful number, since it uses less digits than its factorization.

11211202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832768.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11211202230 its reverse (3220211211), we get a palindrome (14431413441).

The spelling of 11211202230 in words is "eleven billion, two hundred eleven million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 449 898 1347 2245 2694 4490 6735 13470 832309 1664618 2496927 4161545 4993854 8323090 12484635 24969270 373706741 747413482 1121120223 1868533705 2242240446 3737067410 5605601115 11211202230