Search a number
-
+
201210113220 = 22353353501887
BaseRepresentation
bin1011101101100100001…
…1101010110011000100
3201020100200022210202120
42323121003222303010
511244034242110340
6232233515005540
720352113512614
oct2733103526304
9636320283676
10201210113220
1178372955176
1232bb4a398b0
1315c87c448bc
149a4aac4a44
15537980b4d0
hex2ed90eacc4

201210113220 has 24 divisors (see below), whose sum is σ = 563388317184. Its totient is φ = 53656030176.

The previous prime is 201210113197. The next prime is 201210113317. The reversal of 201210113220 is 22311012102.

201210113220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201210113220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676750884 + ... + 1676751003.

It is an arithmetic number, because the mean of its divisors is an integer number (23474513216).

Almost surely, 2201210113220 is an apocalyptic number.

201210113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210113220 is an abundant number, since it is smaller than the sum of its proper divisors (362178203964).

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

201210113220 is a wasteful number, since it uses less digits than its factorization.

201210113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353501899 (or 3353501897 counting only the distinct ones).

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

Adding to 201210113220 its reverse (22311012102), we get a palindrome (223521125322).

The spelling of 201210113220 in words is "two hundred one billion, two hundred ten million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3353501887 6707003774 10060505661 13414007548 16767509435 20121011322 33535018870 40242022644 50302528305 67070037740 100605056610 201210113220