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1018773540085 = 57113257591287
BaseRepresentation
bin11101101001100111010…
…00101000110011110101
310121101122002011002000111
432310303220220303311
5113142422011240320
62100003524343021
7133414105132030
oct16646350506365
93541562132014
101018773540085
11363072116484
12145541244a71
13750ba846442
14374478b2017
151b7799bba5a
hexed33a28cf5

1018773540085 has 16 divisors (see below), whose sum is σ = 1409539527936. Its totient is φ = 692405376768.

The previous prime is 1018773540079. The next prime is 1018773540121. The reversal of 1018773540085 is 5800453778101.

It is not a de Polignac number, because 1018773540085 - 23 = 1018773540077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 128791689 + ... + 128799598.

It is an arithmetic number, because the mean of its divisors is an integer number (88096220496).

Almost surely, 21018773540085 is an apocalyptic number.

It is an amenable number.

1018773540085 is a deficient number, since it is larger than the sum of its proper divisors (390765987851).

1018773540085 is a wasteful number, since it uses less digits than its factorization.

1018773540085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257591412.

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 1018773540085 in words is "one trillion, eighteen billion, seven hundred seventy-three million, five hundred forty thousand, eighty-five".

Divisors: 1 5 7 35 113 565 791 3955 257591287 1287956435 1803139009 9015695045 29107815431 145539077155 203754708017 1018773540085