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18119610082 = 272377372797
BaseRepresentation
bin10000111000000000…
…110100111011100010
31201202210020120012201
4100320000310323202
5244102110010312
612153554043414
71211010100360
oct207000647342
951683216181
1018119610082
117759058272
12361827956a
131929c4bb92
14c3c684630
15710b33557
hex438034ee2

18119610082 has 32 divisors (see below), whose sum is σ = 32455095552. Its totient is φ = 7418203584.

The previous prime is 18119610079. The next prime is 18119610107. The reversal of 18119610082 is 28001691181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212508 + ... + 285304.

It is an arithmetic number, because the mean of its divisors is an integer number (1014221736).

Almost surely, 218119610082 is an apocalyptic number.

18119610082 is a deficient number, since it is larger than the sum of its proper divisors (14335485470).

18119610082 is a wasteful number, since it uses less digits than its factorization.

18119610082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73602.

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 18119610082 in words is "eighteen billion, one hundred nineteen million, six hundred ten thousand, eighty-two".

Divisors: 1 2 7 14 23 46 161 322 773 1546 5411 10822 17779 35558 72797 124453 145594 248906 509579 1019158 1674331 3348662 11720317 23440634 56272081 112544162 393904567 787809134 1294257863 2588515726 9059805041 18119610082