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351339142193 = 1327026087861
BaseRepresentation
bin1010001110011010111…
…00011101110000110001
31020120212102120200002222
411013031130131300301
521224020310022233
6425223013050425
734245340301624
oct5071534356061
91216772520088
10351339142193
11126002871736
1258112926a15
132719215c860
141300d661dbb
1592148c6898
hex51cd71dc31

351339142193 has 4 divisors (see below), whose sum is σ = 378365230068. Its totient is φ = 324313054320.

The previous prime is 351339142177. The next prime is 351339142201. The reversal of 351339142193 is 391241933153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183790549264 + 167548592929 = 428708^2 + 409327^2 .

It is a cyclic number.

It is not a de Polignac number, because 351339142193 - 24 = 351339142177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351339142123) 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, 13513043918 + ... + 13513043943.

It is an arithmetic number, because the mean of its divisors is an integer number (94591307517).

Almost surely, 2351339142193 is an apocalyptic number.

It is an amenable number.

351339142193 is a deficient number, since it is larger than the sum of its proper divisors (27026087875).

351339142193 is a wasteful number, since it uses less digits than its factorization.

351339142193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27026087874.

The product of its digits is 262440, while the sum is 44.

The spelling of 351339142193 in words is "three hundred fifty-one billion, three hundred thirty-nine million, one hundred forty-two thousand, one hundred ninety-three".

Divisors: 1 13 27026087861 351339142193