Search a number
-
+
182820101820 = 223512492439553
BaseRepresentation
bin1010101001000011101…
…1010101111010111100
3122110220001021102200020
42222100323111322330
510443403421224240
6215553021132140
716131311140206
oct2522073257274
9573801242606
10182820101820
11705961aa444
122b5220ba050
1314316c8c355
148bc4573776
154b500b40d0
hex2a90ed5ebc

182820101820 has 48 divisors (see below), whose sum is σ = 512306340000. Its totient is φ = 48712974336.

The previous prime is 182820101813. The next prime is 182820101833. The reversal of 182820101820 is 28101028281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144837 + ... + 1294716.

It is an arithmetic number, because the mean of its divisors is an integer number (10673048750).

Almost surely, 2182820101820 is an apocalyptic number.

182820101820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182820101820 is an abundant number, since it is smaller than the sum of its proper divisors (329486238180).

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

182820101820 is a wasteful number, since it uses less digits than its factorization.

182820101820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440814 (or 2440812 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The spelling of 182820101820 in words is "one hundred eighty-two billion, eight hundred twenty million, one hundred one thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1249 2498 3747 4996 6245 7494 12490 14988 18735 24980 37470 74940 2439553 4879106 7318659 9758212 12197765 14637318 24395530 29274636 36593295 48791060 73186590 146373180 3047001697 6094003394 9141005091 12188006788 15235008485 18282010182 30470016970 36564020364 45705025455 60940033940 91410050910 182820101820