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1342611785 = 5377257361
BaseRepresentation
bin101000000000110…
…1010000101001001
310110120100202010102
41100001222011021
510222202034120
6341120455145
745162004034
oct12001520511
93416322112
101342611785
11629962119
1231577a4b5
13185207558
14ca45401b
157cd0ad75
hex5006a149

1342611785 has 8 divisors (see below), whose sum is σ = 1654678536. Its totient is φ = 1045059840.

The previous prime is 1342611757. The next prime is 1342611791. The reversal of 1342611785 is 5871162431.

It can be written as a sum of positive squares in 4 ways, for example, as 41783296 + 1300828489 = 6464^2 + 36067^2 .

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

It is not a de Polignac number, because 1342611785 - 210 = 1342610761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3628496 + ... + 3628865.

It is an arithmetic number, because the mean of its divisors is an integer number (206834817).

Almost surely, 21342611785 is an apocalyptic number.

It is an amenable number.

1342611785 is a deficient number, since it is larger than the sum of its proper divisors (312066751).

1342611785 is an equidigital number, since it uses as much as digits as its factorization.

1342611785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257403.

The product of its digits is 40320, while the sum is 38.

The square root of 1342611785 is about 36641.6673337882. The cubic root of 1342611785 is about 1103.1895813320.

The spelling of 1342611785 in words is "one billion, three hundred forty-two million, six hundred eleven thousand, seven hundred eighty-five".

Divisors: 1 5 37 185 7257361 36286805 268522357 1342611785