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2252561705140 = 2259710111496181
BaseRepresentation
bin100000110001110111001…
…000111110100010110100
321222100020220020210220111
4200301313020332202310
5243401221244031030
64442451302512404
7321512402401645
oct40616710764264
97870226223814
102252561705140
117993403a401a
1230468a435704
13134553278806
147b04b5b56cc
153d8dab6062a
hex20c7723e8b4

2252561705140 has 48 divisors (see below), whose sum is σ = 4826465081424. Its totient is φ = 882906624000.

The previous prime is 2252561705131. The next prime is 2252561705159. The reversal of 2252561705140 is 415071652522.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18965696656 + 2233596008484 = 137716^2 + 1494522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2252561705093 and 2252561705102.

It is a congruent number.

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, 5552151 + ... + 5944030.

It is an arithmetic number, because the mean of its divisors is an integer number (100551355863).

Almost surely, 22252561705140 is an apocalyptic number.

2252561705140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252561705140 is an abundant number, since it is smaller than the sum of its proper divisors (2573903376284).

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

2252561705140 is a wasteful number, since it uses less digits than its factorization.

2252561705140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496388 (or 11496386 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 2252561705140 in words is "two trillion, two hundred fifty-two billion, five hundred sixty-one million, seven hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 97 101 194 202 388 404 485 505 970 1010 1940 2020 9797 19594 39188 48985 97970 195940 11496181 22992362 45984724 57480905 114961810 229923620 1115129557 1161114281 2230259114 2322228562 4460518228 4644457124 5575647785 5805571405 11151295570 11611142810 22302591140 23222285620 112628085257 225256170514 450512341028 563140426285 1126280852570 2252561705140