Search a number
-
+
133112210 = 257111710169
BaseRepresentation
bin1111110111100…
…10000110010010
3100021110210121212
413323302012102
5233034042320
621113020122
73204302150
oct773620622
9307423555
10133112210
11691581a0
12386b4642
132176822a
14139703d0
15ba459c5
hex7ef2192

133112210 has 64 divisors (see below), whose sum is σ = 316327680. Its totient is φ = 39045120.

The previous prime is 133112209. The next prime is 133112249. The reversal of 133112210 is 12211331.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8006 + ... + 18174.

It is an arithmetic number, because the mean of its divisors is an integer number (4942620).

Almost surely, 2133112210 is an apocalyptic number.

133112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133112210 is an abundant number, since it is smaller than the sum of its proper divisors (183215470).

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

133112210 is a wasteful number, since it uses less digits than its factorization.

133112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 133112210 is about 11537.4264894733. The cubic root of 133112210 is about 510.5903838370.

Adding to 133112210 its reverse (12211331), we get a palindrome (145323541).

The spelling of 133112210 in words is "one hundred thirty-three million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 14 17 22 34 35 55 70 77 85 110 119 154 170 187 238 374 385 595 770 935 1190 1309 1870 2618 6545 10169 13090 20338 50845 71183 101690 111859 142366 172873 223718 345746 355915 559295 711830 783013 864365 1118590 1210111 1566026 1728730 1901603 2420222 3803206 3915065 6050555 7830130 9508015 12101110 13311221 19016030 26622442 66556105 133112210