Search a number
-
+
20504000112 = 2431171736457
BaseRepresentation
bin10011000110001000…
…100011011001110000
31221220221220010102120
4103012020203121300
5313443011000422
613230331514240
71324052060661
oct230610433160
957827803376
1020504000112
118771a78842
123b828b8980
131c19c3065b
14dc71dd368
1580012445c
hex4c6223670

20504000112 has 40 divisors (see below), whose sum is σ = 52974640656. Its totient is φ = 6833895936.

The previous prime is 20504000093. The next prime is 20504000113. The reversal of 20504000112 is 21100040502.

It is a junction number, because it is equal to n+sod(n) for n = 20504000091 and 20504000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544188 + ... + 580644.

Almost surely, 220504000112 is an apocalyptic number.

It is an amenable number.

20504000112 is an abundant number, since it is smaller than the sum of its proper divisors (32470640544).

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

20504000112 is a wasteful number, since it uses less digits than its factorization.

20504000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48185 (or 48179 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20504000112 its reverse (21100040502), we get a palindrome (41604040614).

The spelling of 20504000112 in words is "twenty billion, five hundred four million, one hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 16 24 48 11717 23434 35151 36457 46868 70302 72914 93736 109371 140604 145828 187472 218742 281208 291656 437484 562416 583312 874968 1749936 427166669 854333338 1281500007 1708666676 2563000014 3417333352 5126000028 6834666704 10252000056 20504000112