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1838012533 = 76119322303
BaseRepresentation
bin110110110001101…
…1101100001110101
311202002112201012021
41231203131201311
512231012400113
6502214553141
763355564060
oct15543354165
94662481167
101838012533
11863568025
124336687b1
13233a3c0a6
1413616d8d7
15ab56648d
hex6d8dd875

1838012533 has 16 divisors (see below), whose sum is σ = 2146180096. Its totient is φ = 1541514240.

The previous prime is 1838012513. The next prime is 1838012543. The reversal of 1838012533 is 3352108381.

It is not a de Polignac number, because 1838012533 - 221 = 1835915381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838012513) 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, 71260 + ... + 93562.

It is an arithmetic number, because the mean of its divisors is an integer number (134136256).

Almost surely, 21838012533 is an apocalyptic number.

It is an amenable number.

1838012533 is a deficient number, since it is larger than the sum of its proper divisors (308167563).

1838012533 is a wasteful number, since it uses less digits than its factorization.

1838012533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1838012533 is about 42872.0483881981. The cubic root of 1838012533 is about 1224.9437781777.

The spelling of 1838012533 in words is "one billion, eight hundred thirty-eight million, twelve thousand, five hundred thirty-three".

Divisors: 1 7 61 193 427 1351 11773 22303 82411 156121 1360483 4304479 9523381 30131353 262573219 1838012533