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2131480471850 = 25242629609437
BaseRepresentation
bin11111000001000110001…
…000101110100100101010
321112202201112112212011122
4133001012020232210222
5234410233000044400
64311104423455242
7306665034034622
oct37010610564452
97482645485148
102131480471850
11751a57182374
122a51185b7522
13125cc8081742
1475242817882
153a6a0cce685
hex1f04622e92a

2131480471850 has 12 divisors (see below), whose sum is σ = 3964553677734. Its totient is φ = 852592188720.

The previous prime is 2131480471849. The next prime is 2131480471867. The reversal of 2131480471850 is 581740841312.

It can be written as a sum of positive squares in 3 ways, for example, as 1762014653281 + 369465818569 = 1327409^2 + 607837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21314804669 + ... + 21314804768.

Almost surely, 22131480471850 is an apocalyptic number.

2131480471850 is a deficient number, since it is larger than the sum of its proper divisors (1833073205884).

2131480471850 is a wasteful number, since it uses less digits than its factorization.

2131480471850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42629609449 (or 42629609444 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 2131480471850 in words is "two trillion, one hundred thirty-one billion, four hundred eighty million, four hundred seventy-one thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 42629609437 85259218874 213148047185 426296094370 1065740235925 2131480471850