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24853390137 = 342910580413
BaseRepresentation
bin10111001001011000…
…001010001100111001
32101011002001000220000
4113021120022030321
5401344431441022
615230102223213
71536614221242
oct271130121471
971132030800
1024853390137
11a5a40aa954
124997424b09
132461053714
1412bab01cc9
159a6db26ac
hex5c960a339

24853390137 has 20 divisors (see below), whose sum is σ = 38406902820. Its totient is φ = 15997582944.

The previous prime is 24853390109. The next prime is 24853390171. The reversal of 24853390137 is 73109335842.

24853390137 is a `hidden beast` number, since 2 + 485 + 3 + 39 + 0 + 137 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16526645136 + 8326745001 = 128556^2 + 91251^2 .

It is not a de Polignac number, because 24853390137 - 218 = 24853127993 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 24853390092 and 24853390101.

It is not an unprimeable number, because it can be changed into a prime (24853390187) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5287858 + ... + 5292555.

It is an arithmetic number, because the mean of its divisors is an integer number (1920345141).

Almost surely, 224853390137 is an apocalyptic number.

24853390137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

24853390137 is a deficient number, since it is larger than the sum of its proper divisors (13553512683).

24853390137 is a wasteful number, since it uses less digits than its factorization.

24853390137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580454 (or 10580445 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 24853390137 in words is "twenty-four billion, eight hundred fifty-three million, three hundred ninety thousand, one hundred thirty-seven".

Divisors: 1 3 9 27 29 81 87 261 783 2349 10580413 31741239 95223717 285671151 306831977 857013453 920495931 2761487793 8284463379 24853390137