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1320203210101 = 19125395541461
BaseRepresentation
bin10011001101100010001…
…111100100110101110101
311200012200020020212022221
4103031202033210311311
5133112234010210401
62450254252322341
7164244603062506
oct23154217446565
94605606225287
101320203210101
11469993326a46
12193a454733b1
1397657911529
1447c8084abad
152451c9317a1
hex133623e4d75

1320203210101 has 8 divisors (see below), whose sum is σ = 1389798669600. Its totient is φ = 1250618858640.

The previous prime is 1320203210099. The next prime is 1320203210149. The reversal of 1320203210101 is 1010123020231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320203210101 - 21 = 1320203210099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320203210401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532490 + ... + 3008971.

It is an arithmetic number, because the mean of its divisors is an integer number (173724833700).

Almost surely, 21320203210101 is an apocalyptic number.

It is an amenable number.

1320203210101 is a deficient number, since it is larger than the sum of its proper divisors (69595459499).

1320203210101 is a wasteful number, since it uses less digits than its factorization.

1320203210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554019.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1320203210101 its reverse (1010123020231), we get a palindrome (2330326230332).

The spelling of 1320203210101 in words is "one trillion, three hundred twenty billion, two hundred three million, two hundred ten thousand, one hundred one".

Divisors: 1 19 12539 238241 5541461 105287759 69484379479 1320203210101