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1320041142 = 232744923333
BaseRepresentation
bin100111010101110…
…0011101010110110
310101222220001000200
41032223203222312
510200412304032
6334553021330
744466110310
oct11653435266
93358801020
101320041142
116181464a2
1230a0b4846
13180634044
14c745a7b0
157ad4d47c
hex4eae3ab6

1320041142 has 48 divisors (see below), whose sum is σ = 3276093600. Its totient is φ = 376298496.

The previous prime is 1320041083. The next prime is 1320041153. The reversal of 1320041142 is 2411400231.

1320041142 is a `hidden beast` number, since 13 + 200 + 411 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44908 + ... + 68240.

It is an arithmetic number, because the mean of its divisors is an integer number (68251950).

Almost surely, 21320041142 is an apocalyptic number.

1320041142 is an abundant number, since it is smaller than the sum of its proper divisors (1956052458).

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

1320041142 is a wasteful number, since it uses less digits than its factorization.

1320041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23797 (or 23794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1320041142 is about 36332.3704428984. The cubic root of 1320041142 is about 1096.9727071313.

Adding to 1320041142 its reverse (2411400231), we get a palindrome (3731441373).

The spelling of 1320041142 in words is "one billion, three hundred twenty million, forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 449 898 1347 2694 3143 4041 6286 8082 9429 18858 23333 28287 46666 56574 69999 139998 163331 209997 326662 419994 489993 979986 1469979 2939958 10476517 20953034 31429551 62859102 73335619 94288653 146671238 188577306 220006857 440013714 660020571 1320041142