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1838560042 = 211197389677
BaseRepresentation
bin110110110010110…
…0011001100101010
311202010120112020101
41231211203030222
512231132410132
6502234420014
763363334234
oct15545431452
94663515211
101838560042
11863901410
1243389160a
13233ba1367
14136273254
15ab6237e7
hex6d96332a

1838560042 has 64 divisors (see below), whose sum is σ = 3251145600. Its totient is φ = 770964480.

The previous prime is 1838560037. The next prime is 1838560091. The reversal of 1838560042 is 2400658381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1838559983 and 1838560010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2715408 + ... + 2716084.

It is an arithmetic number, because the mean of its divisors is an integer number (50799150).

Almost surely, 21838560042 is an apocalyptic number.

1838560042 is a deficient number, since it is larger than the sum of its proper divisors (1412585558).

1838560042 is a wasteful number, since it uses less digits than its factorization.

1838560042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1838560042 is about 42878.4332969385. The cubic root of 1838560042 is about 1225.0653952594.

The spelling of 1838560042 in words is "one billion, eight hundred thirty-eight million, five hundred sixty thousand, forty-two".

Divisors: 1 2 11 19 22 38 73 89 146 178 209 418 677 803 979 1354 1387 1606 1691 1958 2774 3382 6497 7447 12863 12994 14894 15257 18601 25726 30514 37202 49421 60253 71467 98842 120506 123443 141493 142934 246886 282986 543631 662783 938999 1087262 1144807 1325566 1357873 1877998 2289614 2715746 4398469 8796938 10328989 12592877 20657978 25185754 48383159 83570911 96766318 167141822 919280021 1838560042