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1081016533 = 19491115877
BaseRepresentation
bin100000001101111…
…0000000011010101
32210100010022220101
41000123300003111
54203220012113
6255133534101
735534326462
oct10033600325
92710108811
101081016533
115052297a3
12262044331
13142c6516c
14a37da669
1564d862dd
hex406f00d5

1081016533 has 8 divisors (see below), whose sum is σ = 1140239520. Its totient is φ = 1022026320.

The previous prime is 1081016513. The next prime is 1081016539. The reversal of 1081016533 is 3356101801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081016533 - 25 = 1081016501 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 (1081016539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48610 + ... + 67267.

It is an arithmetic number, because the mean of its divisors is an integer number (142529940).

Almost surely, 21081016533 is an apocalyptic number.

It is an amenable number.

1081016533 is a deficient number, since it is larger than the sum of its proper divisors (59222987).

1081016533 is a wasteful number, since it uses less digits than its factorization.

1081016533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116387.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1081016533 is about 32878.8158697968. The cubic root of 1081016533 is about 1026.3073646538.

The spelling of 1081016533 in words is "one billion, eighty-one million, sixteen thousand, five hundred thirty-three".

Divisors: 1 19 491 9329 115877 2201663 56895607 1081016533