Search a number
-
+
331201221203140 = 225731597114203879
BaseRepresentation
bin100101101001110011100101…
…1001000111001010011000100
31121102200112020120021000002121
41023103213023020321103010
5321402400100112000030
63132223423542415324
7126522333005010331
oct11323471310712304
91542615216230077
10331201221203140
1196592715a75662
1231191022a31544
13112a61ab138172
145bb0320599988
15284548564b47a
hex12d39cb2394c4

331201221203140 has 48 divisors (see below), whose sum is σ = 705094466186880. Its totient is φ = 130657496636160.

The previous prime is 331201221203057. The next prime is 331201221203141. The reversal of 331201221203140 is 41302122102133.

It is not an unprimeable number, because it can be changed into a prime (331201221203141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16215721 + ... + 30419599.

It is an arithmetic number, because the mean of its divisors is an integer number (14689468045560).

Almost surely, 2331201221203140 is an apocalyptic number.

It is an amenable number.

331201221203140 is an abundant number, since it is smaller than the sum of its proper divisors (373893244983740).

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

331201221203140 is a wasteful number, since it uses less digits than its factorization.

331201221203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14219932 (or 14219930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 331201221203140 its reverse (41302122102133), we get a palindrome (372503343305273).

The spelling of 331201221203140 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred twenty-one million, two hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 15971 31942 63884 79855 159710 319420 1165883 2331766 4663532 5829415 11658830 14203879 23317660 28407758 56815516 71019395 142038790 284077580 1036883167 2073766334 4147532668 5184415835 10368831670 20737663340 226850151509 453700303018 907400606036 1134250757545 2268501515090 4537003030180 16560061060157 33120122120314 66240244240628 82800305300785 165600610601570 331201221203140