Search a number
-
+
20120010121010 = 2544335291286983
BaseRepresentation
bin1001001001100100011100…
…00011100101111100110010
32122020110021002200022120102
410210302032003211330302
510114121240042333020
6110443001031312402
74144423415146412
oct444621603457462
978213232608512
1020120010121010
116457937205228
12230b48681b702
13b2c402602a67
144d7b56a7a642
1524d57ab8a475
hex124c8e0e5f32

20120010121010 has 32 divisors (see below), whose sum is σ = 36308083731840. Its totient is φ = 8027555372928.

The previous prime is 20120010121009. The next prime is 20120010121051. The reversal of 20120010121010 is 1012101002102.

It is a junction number, because it is equal to n+sod(n) for n = 20120010120982 and 20120010121000.

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, 14989979 + ... + 16276961.

It is an arithmetic number, because the mean of its divisors is an integer number (1134627616620).

Almost surely, 220120010121010 is an apocalyptic number.

20120010121010 is a deficient number, since it is larger than the sum of its proper divisors (16188073610830).

20120010121010 is a wasteful number, since it uses less digits than its factorization.

20120010121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290962.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20120010121010 its reverse (1012101002102), we get a palindrome (21132111123112).

The spelling of 20120010121010 in words is "twenty trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 443 886 2215 3529 4430 7058 17645 35290 1286983 1563347 2573966 3126694 6434915 7816735 12869830 15633470 570133469 1140266938 2850667345 4541763007 5701334690 9083526014 22708815035 45417630070 2012001012101 4024002024202 10060005060505 20120010121010