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20001112312 = 2329479317987
BaseRepresentation
bin10010101000001010…
…001100000011111000
31220121220121210001111
4102220022030003320
5311430241043222
613104405130104
71305434435536
oct225012140370
956556553044
1020001112312
118534119795
123a623b9934
131b699a6ccc
14d7a4d5156
157c0dda777
hex4a828c0f8

20001112312 has 32 divisors (see below), whose sum is σ = 38805512400. Its totient is φ = 9653158144.

The previous prime is 20001112303. The next prime is 20001112319. The reversal of 20001112312 is 21321110002.

It is a junction number, because it is equal to n+sod(n) for n = 20001112292 and 20001112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001112319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102983 + ... + 1120969.

Almost surely, 220001112312 is an apocalyptic number.

It is an amenable number.

20001112312 is a deficient number, since it is larger than the sum of its proper divisors (18804400088).

20001112312 is a wasteful number, since it uses less digits than its factorization.

20001112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815 (or 22811 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20001112312 its reverse (21321110002), we get a palindrome (41322222314).

The spelling of 20001112312 in words is "twenty billion, one million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 4793 9586 17987 19172 35974 38344 71948 138997 143896 277994 521623 555988 1043246 1111976 2086492 4172984 86211691 172423382 344846764 689693528 2500139039 5000278078 10000556156 20001112312