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13210212122 = 213748212453
BaseRepresentation
bin11000100110110001…
…11101011100011010
31021002122100022021122
430103120331130122
5204023303241442
610022500405242
7645234643652
oct142330753432
937078308248
1013210212122
115669902988
1226880a6822
131326ac3283
148d4649362
15524b26dd2
hex31363d71a

13210212122 has 8 divisors (see below), whose sum is σ = 19959955956. Its totient is φ = 6556893472.

The previous prime is 13210212107. The next prime is 13210212133. The reversal of 13210212122 is 22121201231.

It can be written as a sum of positive squares in 2 ways, for example, as 12301249921 + 908962201 = 110911^2 + 30149^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13210212122.

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, 24105953 + ... + 24106500.

Almost surely, 213210212122 is an apocalyptic number.

13210212122 is a deficient number, since it is larger than the sum of its proper divisors (6749743834).

13210212122 is a wasteful number, since it uses less digits than its factorization.

13210212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48212592.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13210212122 its reverse (22121201231), we get a palindrome (35331413353).

The spelling of 13210212122 in words is "thirteen billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 137 274 48212453 96424906 6605106061 13210212122