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20116310235427 = 7231912293285289
BaseRepresentation
bin1001001001011101100011…
…00001101001100100100011
32122020002201020200122201001
410210232301201221210203
510114041200410013202
6110441145542052431
74144232630510110
oct444566141514443
978202636618631
1020116310235427
11645630877344a
12230a81371a117
13b2bc62c1c253
144d78c5529907
1524d410e47d87
hex124bb1869923

20116310235427 has 32 divisors (see below), whose sum is σ = 24125838704640. Its totient is φ = 16399312807680.

The previous prime is 20116310235407. The next prime is 20116310235467. The reversal of 20116310235427 is 72453201361102.

It is not a de Polignac number, because 20116310235427 - 227 = 20116176017699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20116310235407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70369399 + ... + 70654687.

It is an arithmetic number, because the mean of its divisors is an integer number (753932459520).

Almost surely, 220116310235427 is an apocalyptic number.

20116310235427 is a deficient number, since it is larger than the sum of its proper divisors (4009528469213).

20116310235427 is a wasteful number, since it uses less digits than its factorization.

20116310235427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287803.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 20116310235427 its reverse (72453201361102), we get a palindrome (92569511596529).

The spelling of 20116310235427 in words is "twenty trillion, one hundred sixteen billion, three hundred ten million, two hundred thirty-five thousand, four hundred twenty-seven".

Divisors: 1 7 23 161 191 1337 2293 4393 16051 30751 52739 285289 369173 437963 1997023 3065741 6561647 10073149 45931529 54490199 70512043 381431393 654167677 1253274577 4579173739 8772922039 15045856571 105320995997 124946026307 874622184149 2873758605061 20116310235427