Search a number
-
+
2112120201 = 315112493733
BaseRepresentation
bin111110111100100…
…0110010110001001
312110012022211020010
41331321012112021
513311200321301
6545330022133
7103224503562
oct17571062611
95405284203
102112120201
11994267194
124ab417949
13278772789
14160723169
15c565d5d6
hex7de46589

2112120201 has 16 divisors (see below), whose sum is σ = 2837840000. Its totient is φ = 1397260800.

The previous prime is 2112120191. The next prime is 2112120223. The reversal of 2112120201 is 1020212112.

It is not a de Polignac number, because 2112120201 - 215 = 2112087433 is a prime.

It is a super-2 number, since 2×21121202012 = 8922103486944560802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112120251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563931 + ... + 567663.

It is an arithmetic number, because the mean of its divisors is an integer number (177365000).

Almost surely, 22112120201 is an apocalyptic number.

It is an amenable number.

2112120201 is a deficient number, since it is larger than the sum of its proper divisors (725719799).

2112120201 is a wasteful number, since it uses less digits than its factorization.

2112120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2112120201 is about 45957.8089229676. The cubic root of 2112120201 is about 1283.0380717408.

Adding to 2112120201 its reverse (1020212112), we get a palindrome (3132332313).

The spelling of 2112120201 in words is "two billion, one hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 151 453 1249 3733 3747 11199 188599 563683 565797 1691049 4662517 13987551 704040067 2112120201