Search a number
-
+
20102002020012 = 22311153619913931
BaseRepresentation
bin1001001001000010111001…
…01100001000111010101100
32122011201210002021000001210
410210201130230020322230
510113322400004120022
6110430422055234420
74143215230624263
oct444413454107254
978151702230053
1020102002020012
11645023609a430
122307a9b978a10
13b2a7c27c70b3
144d6d291415da
1524cd74c31a0c
hex12485cb08eac

20102002020012 has 48 divisors (see below), whose sum is σ = 51172068657024. Its totient is φ = 6091118592000.

The previous prime is 20102002020011. The next prime is 20102002020017. The reversal of 20102002020012 is 21002020020102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20102002020012.

It is not an unprimeable number, because it can be changed into a prime (20102002020011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2929314 + ... + 6984617.

It is an arithmetic number, because the mean of its divisors is an integer number (1066084763688).

Almost surely, 220102002020012 is an apocalyptic number.

20102002020012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20102002020012 is an abundant number, since it is smaller than the sum of its proper divisors (31070066637012).

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

20102002020012 is a wasteful number, since it uses less digits than its factorization.

20102002020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9929310 (or 9929308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20102002020012 its reverse (21002020020102), we get a palindrome (41104022040114).

The spelling of 20102002020012 in words is "twenty trillion, one hundred two billion, two million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 15361 30722 46083 61444 92166 168971 184332 337942 506913 675884 1013826 2027652 9913931 19827862 29741793 39655724 59483586 109053241 118967172 218106482 327159723 436212964 654319446 1308638892 152287894091 304575788182 456863682273 609151576364 913727364546 1675166835001 1827454729092 3350333670002 5025500505003 6700667340004 10051001010006 20102002020012