Search a number
-
+
331421112200420 = 2251114291054205459
BaseRepresentation
bin100101101011011001111110…
…1101010011110110011100100
31121110110112211010222001012222
41023112303331222132303210
5321420000414210403140
63132512431305531512
7126544246055442134
oct11326637552366344
91543415733861188
10331421112200420
11966679a4785490
123120776baa3b98
13112c0b523887c8
145bbac202aaac4
15284b054ea95b5
hex12d6cfda9ece4

331421112200420 has 48 divisors (see below), whose sum is σ = 759786959131200. Its totient is φ = 120432431521920.

The previous prime is 331421112200407. The next prime is 331421112200483. The reversal of 331421112200420 is 24002211124133.

It is a happy number.

It is a super-2 number, since 2×3314211122004202 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331421112200420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526788350 + ... + 527417109.

It is an arithmetic number, because the mean of its divisors is an integer number (15828894981900).

Almost surely, 2331421112200420 is an apocalyptic number.

It is an amenable number.

331421112200420 is an abundant number, since it is smaller than the sum of its proper divisors (428365846930780).

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

331421112200420 is a wasteful number, since it uses less digits than its factorization.

331421112200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054206908 (or 1054206906 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 331421112200420 its reverse (24002211124133), we get a palindrome (355423323324553).

The spelling of 331421112200420 in words is "three hundred thirty-one trillion, four hundred twenty-one billion, one hundred twelve million, two hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1429 2858 5716 7145 14290 15719 28580 31438 62876 78595 157190 314380 1054205459 2108410918 4216821836 5271027295 10542054590 11596260049 21084109180 23192520098 46385040196 57981300245 115962600490 231925200980 1506459600911 3012919201822 6025838403644 7532298004555 15064596009110 16571055610021 30129192018220 33142111220042 66284222440084 82855278050105 165710556100210 331421112200420