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518794103149 = 7431723568449
BaseRepresentation
bin1111000110010101000…
…10011100100101101101
31211121002122122001222221
413203022202130211231
531444442242300044
61034155234035341
752324126055110
oct7431242344555
91747078561887
10518794103149
11190023823353
1284667118b51
1339bcaa4817a
141b1772c2577
15d765a9b484
hex78ca89c96d

518794103149 has 8 divisors (see below), whose sum is σ = 606696094400. Its totient is φ = 434339248896.

The previous prime is 518794103137. The next prime is 518794103161. The reversal of 518794103149 is 941301497815.

It is an interprime number because it is at equal distance from previous prime (518794103137) and next prime (518794103161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 518794103149 - 215 = 518794070381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518794103096 and 518794103105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518794104149) 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, 861783924 + ... + 861784525.

It is an arithmetic number, because the mean of its divisors is an integer number (75837011800).

Almost surely, 2518794103149 is an apocalyptic number.

It is an amenable number.

518794103149 is a deficient number, since it is larger than the sum of its proper divisors (87901991251).

518794103149 is a wasteful number, since it uses less digits than its factorization.

518794103149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723568499.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 518794103149 in words is "five hundred eighteen billion, seven hundred ninety-four million, one hundred three thousand, one hundred forty-nine".

Divisors: 1 7 43 301 1723568449 12064979143 74113443307 518794103149