Search a number
-
+
20121114427732 = 22180117683157951
BaseRepresentation
bin1001001001100110011111…
…11000001100000101010100
32122020120010001121220121101
410210303033320030011110
510114131020243141412
6110443302400355444
74144462654460503
oct444631770140524
978216101556541
1020121114427732
1164583535a120a
12230b734615b84
13b2c54a330aa6
144d7c1d5ba83a
1524d5e2ac2457
hex124ccfe0c154

20121114427732 has 24 divisors (see below), whose sum is σ = 35233717041152. Its totient is φ = 10054338840000.

The previous prime is 20121114427703. The next prime is 20121114427801. The reversal of 20121114427732 is 23772441112102.

It is a junction number, because it is equal to n+sod(n) for n = 20121114427691 and 20121114427700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127309357 + ... + 127467307.

Almost surely, 220121114427732 is an apocalyptic number.

It is an amenable number.

20121114427732 is a deficient number, since it is larger than the sum of its proper divisors (15112602613420).

20121114427732 is a wasteful number, since it uses less digits than its factorization.

20121114427732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177439 (or 177437 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

Adding to 20121114427732 its reverse (23772441112102), we get a palindrome (43893555539834).

The spelling of 20121114427732 in words is "twenty trillion, one hundred twenty-one billion, one hundred fourteen million, four hundred twenty-seven thousand, seven hundred thirty-two".

Divisors: 1 2 4 1801 3602 7204 17683 35366 70732 157951 315902 631804 31847083 63694166 127388332 284469751 568939502 1137879004 2793047533 5586095066 11172190132 5030278606933 10060557213866 20121114427732