Search a number
-
+
20131201330232 = 236775894949033
BaseRepresentation
bin1001001001111001010010…
…00110101010110000111000
32122021112011000220122112212
410210330221012222300320
510114312200020031412
6110452051325554252
74145300635644506
oct444745106526070
978245130818485
1020131201330232
11646165a371373
12231168a715988
13b30497027355
144d84d90c1676
1524d9d33e9222
hex124f291aac38

20131201330232 has 32 divisors (see below), whose sum is σ = 38314431421200. Its totient is φ = 9914059271424.

The previous prime is 20131201330189. The next prime is 20131201330241. The reversal of 20131201330232 is 23203310213102.

It is a junction number, because it is equal to n+sod(n) for n = 20131201330198 and 20131201330207.

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, 1593188 + ... + 6542220.

Almost surely, 220131201330232 is an apocalyptic number.

It is an amenable number.

20131201330232 is a deficient number, since it is larger than the sum of its proper divisors (18183230090968).

20131201330232 is a wasteful number, since it uses less digits than its factorization.

20131201330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956695 (or 4956691 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20131201330232 its reverse (23203310213102), we get a palindrome (43334511543334).

The spelling of 20131201330232 in words is "twenty trillion, one hundred thirty-one billion, two hundred one million, three hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 67 134 268 536 7589 15178 30356 60712 508463 1016926 2033852 4067704 4949033 9898066 19796132 39592264 331585211 663170422 1326340844 2652681688 37558211437 75116422874 150232845748 300465691496 2516400166279 5032800332558 10065600665116 20131201330232