Search a number
-
+
20102002120012 = 2237147913528357
BaseRepresentation
bin1001001001000010111001…
…01100100001010101001100
32122011201210002110002020111
410210201130230201111030
510113322400020320022
6110430422101325404
74143215231521651
oct444413454412514
978151702402214
1020102002120012
11645023615857a
122307a9ba06864
13b2a7c2830777
144d6d29169c28
1524cd74c51477
hex12485cb2154c

20102002120012 has 12 divisors (see below), whose sum is σ = 35178601008880. Its totient is φ = 10050973260336.

The previous prime is 20102002120003. The next prime is 20102002120037. The reversal of 20102002120012 is 21002120020102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102002119974 and 20102002120001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278263 + ... + 8250094.

Almost surely, 220102002120012 is an apocalyptic number.

It is an amenable number.

20102002120012 is a deficient number, since it is larger than the sum of its proper divisors (15076598888868).

20102002120012 is a wasteful number, since it uses less digits than its factorization.

20102002120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899840 (or 13899838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102002120012 its reverse (21002120020102), we get a palindrome (41104122140114).

The spelling of 20102002120012 in words is "twenty trillion, one hundred two billion, two million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 371479 742958 1485916 13528357 27056714 54113428 5025500530003 10051001060006 20102002120012