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18190009137 = 347839153763
BaseRepresentation
bin10000111100001101…
…011000001100110001
31201221200201012120010
4100330031120030301
5244223120243022
612204551005133
71212523345416
oct207415301461
951850635503
1018190009137
117794871103
1236379697a9
13193b6ca221
14c47b6c10d
15716ddc50c
hex43c358331

18190009137 has 16 divisors (see below), whose sum is σ = 24799057920. Its totient is φ = 11854435152.

The previous prime is 18190009133. The next prime is 18190009151. The reversal of 18190009137 is 73190009181.

It is not a de Polignac number, because 18190009137 - 22 = 18190009133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18190009095 and 18190009104.

It is not an unprimeable number, because it can be changed into a prime (18190009133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41418 + ... + 195180.

It is an arithmetic number, because the mean of its divisors is an integer number (1549941120).

Almost surely, 218190009137 is an apocalyptic number.

It is an amenable number.

18190009137 is a deficient number, since it is larger than the sum of its proper divisors (6609048783).

18190009137 is a wasteful number, since it uses less digits than its factorization.

18190009137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154652.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 18190009137 in words is "eighteen billion, one hundred ninety million, nine thousand, one hundred thirty-seven".

Divisors: 1 3 47 141 839 2517 39433 118299 153763 461289 7226861 21680583 129007157 387021471 6063336379 18190009137