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2113312512144 = 243431023891721
BaseRepresentation
bin11110110000001011001…
…111011101100010010000
321111000211101022212202010
4132300023033131202100
5234111031000342034
64254501541222520
7305452565652231
oct36601317354220
97430741285663
102113312512144
11745283901339
122a16a8101a40
13124391104722
14743db989088
1539e8acea3e9
hex1ec0b3dd890

2113312512144 has 40 divisors (see below), whose sum is σ = 5586353235232. Its totient is φ = 688055235840.

The previous prime is 2113312512109. The next prime is 2113312512149. The reversal of 2113312512144 is 4412152133112.

It is not an unprimeable number, because it can be changed into a prime (2113312512149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511943797 + ... + 511947924.

Almost surely, 22113312512144 is an apocalyptic number.

2113312512144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113312512144 is an abundant number, since it is smaller than the sum of its proper divisors (3473040723088).

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

2113312512144 is a wasteful number, since it uses less digits than its factorization.

2113312512144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023891775 (or 1023891769 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

Adding to 2113312512144 its reverse (4412152133112), we get a palindrome (6525464645256).

The spelling of 2113312512144 in words is "two trillion, one hundred thirteen billion, three hundred twelve million, five hundred twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 2064 1023891721 2047783442 3071675163 4095566884 6143350326 8191133768 12286700652 16382267536 24573401304 44027344003 49146802608 88054688006 132082032009 176109376012 264164064018 352218752024 528328128036 704437504048 1056656256072 2113312512144