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20132320012 = 22711318013533
BaseRepresentation
bin10010101111111110…
…101101001100001100
31220222001111211011221
4102233332231030030
5312212333220022
613125413253124
71311616616350
oct225776551414
956861454157
1020132320012
1185a1196002
123a9a3341a4
131b8ac263bc
14d8dacb460
157cc6a6cc7
hex4affad30c

20132320012 has 48 divisors (see below), whose sum is σ = 40655022912. Its totient is φ = 8544614400.

The previous prime is 20132319997. The next prime is 20132320081. The reversal of 20132320012 is 21002323102.

20132320012 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5696598 + ... + 5700130.

It is an arithmetic number, because the mean of its divisors is an integer number (846979644).

Almost surely, 220132320012 is an apocalyptic number.

It is an amenable number.

20132320012 is an abundant number, since it is smaller than the sum of its proper divisors (20522702900).

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

20132320012 is a wasteful number, since it uses less digits than its factorization.

20132320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5456 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20132320012 its reverse (21002323102), we get a palindrome (41134643114).

The spelling of 20132320012 in words is "twenty billion, one hundred thirty-two million, three hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 28 113 226 452 791 1582 1801 3164 3533 3602 7066 7204 12607 14132 24731 25214 49462 50428 98924 203513 399229 407026 798458 814052 1424591 1596916 2794603 2849182 5589206 5698364 6362933 11178412 12725866 25451732 44540531 89081062 178162124 719011429 1438022858 2876045716 5033080003 10066160006 20132320012