Search a number
-
+
1313121220210 = 25326983401587
BaseRepresentation
bin10011000110111100000…
…111111011011001110010
311122112101200020111120001
4103012330013323121302
5133003233013021320
62443123424540214
7163604240131612
oct23067407733162
94575350214501
101313121220210
11466989772138
121925a978166a
1396a9962c577
14477ac06aa42
1524255d1e20a
hex131bc1fb672

1313121220210 has 16 divisors (see below), whose sum is σ = 2363631310656. Its totient is φ = 525245573808.

The previous prime is 1313121220207. The next prime is 1313121220231. The reversal of 1313121220210 is 120221213131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069037 + ... + 3470623.

It is an arithmetic number, because the mean of its divisors is an integer number (147726956916).

Almost surely, 21313121220210 is an apocalyptic number.

1313121220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313121220210 is a deficient number, since it is larger than the sum of its proper divisors (1050510090446).

1313121220210 is a wasteful number, since it uses less digits than its factorization.

1313121220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728577.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1313121220210 its reverse (120221213131), we get a palindrome (1433342433341).

The spelling of 1313121220210 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 326983 401587 653966 803174 1634915 2007935 3269830 4015870 131312122021 262624244042 656560610105 1313121220210