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1427852857884 = 223118987738157
BaseRepresentation
bin10100110001110010101…
…010011001001000011100
312001111112112001120120220
4110301302222121020130
5141343220312423014
63011540242041340
7205105345016235
oct24616252311034
95044475046526
101427852857884
11500604794702
121b0889049250
13a48521b677b
144d17381608c
152721d50d6a9
hex14c72a9921c

1427852857884 has 12 divisors (see below), whose sum is σ = 3331656668424. Its totient is φ = 475950952624.

The previous prime is 1427852857867. The next prime is 1427852857889. The reversal of 1427852857884 is 4887582587241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427852857889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59493869067 + ... + 59493869090.

It is an arithmetic number, because the mean of its divisors is an integer number (277638055702).

Almost surely, 21427852857884 is an apocalyptic number.

It is an amenable number.

1427852857884 is an abundant number, since it is smaller than the sum of its proper divisors (1903803810540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427852857884 is a wasteful number, since it uses less digits than its factorization.

1427852857884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118987738164 (or 118987738162 counting only the distinct ones).

The product of its digits is 321126400, while the sum is 69.

The spelling of 1427852857884 in words is "one trillion, four hundred twenty-seven billion, eight hundred fifty-two million, eight hundred fifty-seven thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 118987738157 237975476314 356963214471 475950952628 713926428942 1427852857884