Search a number
-
+
1150201231 = 10113981929
BaseRepresentation
bin100010010001110…
…1010110110001111
32222011022021110121
41010203222312033
54323422414411
6310044445411
740334356234
oct10443526617
92864267417
101150201231
11540293233
12281249867
131543a985a
14aca8978b
156aea0571
hex448ead8f

1150201231 has 8 divisors (see below), whose sum is σ = 1169960400. Its totient is φ = 1130606400.

The previous prime is 1150201223. The next prime is 1150201253. The reversal of 1150201231 is 1321020511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1150201231 - 23 = 1150201223 is a prime.

It is a super-2 number, since 2×11502012312 = 2645925743587830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150201631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26926 + ... + 55003.

It is an arithmetic number, because the mean of its divisors is an integer number (146245050).

Almost surely, 21150201231 is an apocalyptic number.

1150201231 is a deficient number, since it is larger than the sum of its proper divisors (19759169).

1150201231 is a wasteful number, since it uses less digits than its factorization.

1150201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82169.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1150201231 is about 33914.6167750721. The cubic root of 1150201231 is about 1047.7506590617.

Adding to 1150201231 its reverse (1321020511), we get a palindrome (2471221742).

The spelling of 1150201231 in words is "one billion, one hundred fifty million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 101 139 14039 81929 8274829 11388131 1150201231