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20001010012 = 2219925126897
BaseRepresentation
bin10010101000001001…
…110011000101011100
31220121220102120201121
4102220021303011130
5311430224310022
613104403020324
71305433531354
oct225011630534
956556376647
1020001010012
118534059945
123a6236a6a4
131b6996c589
14d7a4a9b64
157c0dba2c7
hex4a827315c

20001010012 has 12 divisors (see below), whose sum is σ = 35177657200. Its totient is φ = 9950250816.

The previous prime is 20001009953. The next prime is 20001010021. The reversal of 20001010012 is 21001010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001009977 and 20001010004.

It is a congruent number.

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, 12562653 + ... + 12564244.

Almost surely, 220001010012 is an apocalyptic number.

It is an amenable number.

20001010012 is a deficient number, since it is larger than the sum of its proper divisors (15176647188).

20001010012 is a wasteful number, since it uses less digits than its factorization.

20001010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25127100 (or 25127098 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20001010012 its reverse (21001010002), we get a palindrome (41002020014).

The spelling of 20001010012 in words is "twenty billion, one million, ten thousand, twelve".

Divisors: 1 2 4 199 398 796 25126897 50253794 100507588 5000252503 10000505006 20001010012