Search a number
-
+
1330313012021 = 7190044716003
BaseRepresentation
bin10011010110111100110…
…101011010001100110101
311201011202210122000101002
4103112330311122030311
5133243440112341041
62455045400413045
7165053253012620
oct23267465321465
94634683560332
101330313012021
11473201017844
121959a7177185
13985a9294b46
144855d3d2db7
152491027d59b
hex135bcd5a335

1330313012021 has 4 divisors (see below), whose sum is σ = 1520357728032. Its totient is φ = 1140268296012.

The previous prime is 1330313012011. The next prime is 1330313012029. The reversal of 1330313012021 is 1202103130331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1330313012021 - 226 = 1330245903157 is a prime.

It is a super-3 number, since 3×13303130120213 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330313011984 and 1330313012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330313012029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95022357995 + ... + 95022358008.

It is an arithmetic number, because the mean of its divisors is an integer number (380089432008).

Almost surely, 21330313012021 is an apocalyptic number.

It is an amenable number.

1330313012021 is a deficient number, since it is larger than the sum of its proper divisors (190044716011).

1330313012021 is an equidigital number, since it uses as much as digits as its factorization.

1330313012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190044716010.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1330313012021 its reverse (1202103130331), we get a palindrome (2532416142352).

The spelling of 1330313012021 in words is "one trillion, three hundred thirty billion, three hundred thirteen million, twelve thousand, twenty-one".

Divisors: 1 7 190044716003 1330313012021