Search a number
-
+
2120225012 = 221697312349
BaseRepresentation
bin111111001100000…
…0001000011110100
312110202120120221022
41332120001003310
513320234200022
6550215440312
7103353421013
oct17630010364
95422516838
102120225012
119988a2484
124b2086098
1327a34c819
14161832a7a
15c620ec42
hex7e6010f4

2120225012 has 12 divisors (see below), whose sum is σ = 3712592100. Its totient is φ = 1059484416.

The previous prime is 2120225011. The next prime is 2120225033. The reversal of 2120225012 is 2105220212.

It can be written as a sum of positive squares in 2 ways, for example, as 1050019216 + 1070205796 = 32404^2 + 32714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120225011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149387 + ... + 162962.

It is an arithmetic number, because the mean of its divisors is an integer number (309382675).

Almost surely, 22120225012 is an apocalyptic number.

It is an amenable number.

2120225012 is a deficient number, since it is larger than the sum of its proper divisors (1592367088).

2120225012 is a wasteful number, since it uses less digits than its factorization.

2120225012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314050 (or 314048 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2120225012 is about 46045.9011422298. The cubic root of 2120225012 is about 1284.6771054031.

Adding to 2120225012 its reverse (2105220212), we get a palindrome (4225445224).

The spelling of 2120225012 in words is "two billion, one hundred twenty million, two hundred twenty-five thousand, twelve".

Divisors: 1 2 4 1697 3394 6788 312349 624698 1249396 530056253 1060112506 2120225012