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18075444746 = 2234164714813
BaseRepresentation
bin10000110101011000…
…010110011000001010
31201122201010201202112
4100311120112120022
5244004303212441
612145335302322
71206632513432
oct206530263012
951581121675
1018075444746
117736132197
12360551a9a2
131920a57448
14c368692c2
1570bd0c4eb
hex43561660a

18075444746 has 32 divisors (see below), whose sum is σ = 29028803328. Its totient is φ = 8420325760.

The previous prime is 18075444689. The next prime is 18075444817. The reversal of 18075444746 is 64744457081.

It is a junction number, because it is equal to n+sod(n) for n = 18075444694 and 18075444703.

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, 1212836 + ... + 1227648.

It is an arithmetic number, because the mean of its divisors is an integer number (907150104).

Almost surely, 218075444746 is an apocalyptic number.

18075444746 is a deficient number, since it is larger than the sum of its proper divisors (10953358582).

18075444746 is a wasteful number, since it uses less digits than its factorization.

18075444746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526.

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 18075444746 in words is "eighteen billion, seventy-five million, four hundred forty-four thousand, seven hundred forty-six".

Divisors: 1 2 23 41 46 82 647 943 1294 1886 14813 14881 26527 29626 29762 53054 340699 607333 610121 681398 1214666 1220242 9584011 13968659 19168022 27937318 220432253 392944451 440864506 785888902 9037722373 18075444746