Search a number
-
+
13223211001 = 7211131887143
BaseRepresentation
bin11000101000010101…
…00010111111111001
31021010112210201101121
430110022202333321
5204040120223001
610024043145241
7645453303400
oct142412427771
937115721347
1013223211001
115676181160
122690515221
1313296c4b10
148d6270637
15525d436a1
hex3142a2ff9

13223211001 has 24 divisors (see below), whose sum is σ = 18071290944. Its totient is φ = 9511195680.

The previous prime is 13223210993. The next prime is 13223211019. The reversal of 13223211001 is 10011232231.

It is not a de Polignac number, because 13223211001 - 23 = 13223210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13223211041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 936565 + ... + 950578.

It is an arithmetic number, because the mean of its divisors is an integer number (752970456).

Almost surely, 213223211001 is an apocalyptic number.

13223211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13223211001 is a deficient number, since it is larger than the sum of its proper divisors (4848079943).

13223211001 is a wasteful number, since it uses less digits than its factorization.

13223211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887181 (or 1887174 counting only the distinct ones).

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

Adding to 13223211001 its reverse (10011232231), we get a palindrome (23234443232).

The spelling of 13223211001 in words is "thirteen billion, two hundred twenty-three million, two hundred eleven thousand, one".

Divisors: 1 7 11 13 49 77 91 143 539 637 1001 7007 1887143 13210001 20758573 24532859 92470007 145310011 171730013 269861449 1017170077 1202110091 1889030143 13223211001