Search a number
-
+
2131131120032 = 25235749503663
BaseRepresentation
bin11111000000110001010…
…100000011100110100000
321112201211012011221120102
4133000301110003212200
5234404024031320112
64311010024001532
7306653262430325
oct37006124034640
97481735157512
102131131120032
11751897a60162
122a503b6002a8
13125c708945a5
147520c278b4c
153a6802c2bc2
hex1f0315039a0

2131131120032 has 48 divisors (see below), whose sum is σ = 4378854816000. Its totient is φ = 1019057309952.

The previous prime is 2131131120017. The next prime is 2131131120043. The reversal of 2131131120032 is 2300211311312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131131119986 and 2131131120013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979433 + ... + 4483095.

It is an arithmetic number, because the mean of its divisors is an integer number (91226142000).

Almost surely, 22131131120032 is an apocalyptic number.

It is an amenable number.

2131131120032 is an abundant number, since it is smaller than the sum of its proper divisors (2247723695968).

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

2131131120032 is a wasteful number, since it uses less digits than its factorization.

2131131120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509445 (or 509437 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131131120032 its reverse (2300211311312), we get a palindrome (4431342431344).

The spelling of 2131131120032 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-one million, one hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 5749 11498 22996 45992 91984 132227 183968 264454 503663 528908 1007326 1057816 2014652 2115632 4029304 4231264 8058608 11584249 16117216 23168498 46336996 92673992 185347984 370695968 2895558587 5791117174 11582234348 23164468696 46328937392 66597847501 92657874784 133195695002 266391390004 532782780008 1065565560016 2131131120032