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53199870467849 = 7241241109878721
BaseRepresentation
bin11000001100010100011110…
…11000011001111100001001
320222100212011102222022101022
430012022033120121330021
523433111313314432344
6305051403314402225
714130364245550400
oct1406121730317411
9228325142868338
1053199870467849
1115a50a35a635a6
125b725a8b90375
13238b95978b4b1
14d1cc5d304637
15623cb628d0ee
hex30628f619f09

53199870467849 has 24 divisors (see below), whose sum is σ = 63658017833256. Its totient is φ = 44303099904000.

The previous prime is 53199870467827. The next prime is 53199870467857. The reversal of 53199870467849 is 94876407899135.

It can be written as a sum of positive squares in 4 ways, for example, as 12681005881600 + 40518864586249 = 3561040^2 + 6365443^2 .

It is not a de Polignac number, because 53199870467849 - 244 = 35607684423433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53199870497849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54455192 + ... + 55423529.

It is an arithmetic number, because the mean of its divisors is an integer number (2652417409719).

Almost surely, 253199870467849 is an apocalyptic number.

It is an amenable number.

53199870467849 is a deficient number, since it is larger than the sum of its proper divisors (10458147365407).

53199870467849 is a wasteful number, since it uses less digits than its factorization.

53199870467849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109879017 (or 109879010 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 80.

The spelling of 53199870467849 in words is "fifty-three trillion, one hundred ninety-nine billion, eight hundred seventy million, four hundred sixty-seven thousand, eight hundred forty-nine".

Divisors: 1 7 41 49 241 287 1687 2009 9881 11809 69167 484169 109878721 769151047 4505027561 5384057329 26480771761 31535192927 185365402327 220746350489 1085711642201 1297557816289 7599981495407 53199870467849