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13210403042 = 28577707353
BaseRepresentation
bin11000100110110011…
…01100000011100010
31021002122201000011202
430103121230003202
5204023330344132
610022504441202
7645236400404
oct142331540342
937078630152
1013210403042
115669a23371
122688179202
131326b5c145
148d4698b74
15524b63762
hex31366c0e2

13210403042 has 8 divisors (see below), whose sum is σ = 19838729196. Its totient is φ = 6597493312.

The previous prime is 13210403039. The next prime is 13210403093. The reversal of 13210403042 is 24030401231.

It can be written as a sum of positive squares in 2 ways, for example, as 12441394681 + 769008361 = 111541^2 + 27731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3851963 + ... + 3855390.

Almost surely, 213210403042 is an apocalyptic number.

13210403042 is a deficient number, since it is larger than the sum of its proper divisors (6628326154).

13210403042 is an equidigital number, since it uses as much as digits as its factorization.

13210403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708212.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13210403042 its reverse (24030401231), we get a palindrome (37240804273).

The spelling of 13210403042 in words is "thirteen billion, two hundred ten million, four hundred three thousand, forty-two".

Divisors: 1 2 857 1714 7707353 15414706 6605201521 13210403042