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1342147128 = 23377988971
BaseRepresentation
bin100111111111111…
…1000101000111000
310110112111010201220
41033333320220320
510222042202003
6341102512040
745155030250
oct11777705070
93415433656
101342147128
11629675003
12315595620
131850a3bca
14ca372960
157cc68353
hex4fff8a38

1342147128 has 32 divisors (see below), whose sum is σ = 3834706560. Its totient is φ = 383470560.

The previous prime is 1342147111. The next prime is 1342147133. The reversal of 1342147128 is 8217412431.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3994318 + ... + 3994653.

It is an arithmetic number, because the mean of its divisors is an integer number (119834580).

Almost surely, 21342147128 is an apocalyptic number.

It is an amenable number.

1342147128 is an abundant number, since it is smaller than the sum of its proper divisors (2492559432).

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

1342147128 is a wasteful number, since it uses less digits than its factorization.

1342147128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988987 (or 7988983 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 1342147128 is about 36635.3262302931. The cubic root of 1342147128 is about 1103.0623010779.

Adding to 1342147128 its reverse (8217412431), we get a palindrome (9559559559).

The spelling of 1342147128 in words is "one billion, three hundred forty-two million, one hundred forty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 7988971 15977942 23966913 31955884 47933826 55922797 63911768 95867652 111845594 167768391 191735304 223691188 335536782 447382376 671073564 1342147128