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13220011199 = 64320559893
BaseRepresentation
bin11000100111111100…
…10101110010111111
31021010022210011002102
430103332111302333
5204033310324244
610023450415315
7645414145463
oct142376256277
937108704072
1013220011199
11567439609a
12268b43153b
131328b44545
148d5a7a4a3
1552591054e
hex313f95cbf

13220011199 has 4 divisors (see below), whose sum is σ = 13240571736. Its totient is φ = 13199450664.

The previous prime is 13220011171. The next prime is 13220011213. The reversal of 13220011199 is 99111002231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99111002231 = 114217867743.

It is a cyclic number.

It is not a de Polignac number, because 13220011199 - 228 = 12951575743 is a prime.

It is a super-2 number, since 2×132200111992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220011109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10279304 + ... + 10280589.

It is an arithmetic number, because the mean of its divisors is an integer number (3310142934).

Almost surely, 213220011199 is an apocalyptic number.

13220011199 is a deficient number, since it is larger than the sum of its proper divisors (20560537).

13220011199 is an equidigital number, since it uses as much as digits as its factorization.

13220011199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560536.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 13220011199 in words is "thirteen billion, two hundred twenty million, eleven thousand, one hundred ninety-nine".

Divisors: 1 643 20559893 13220011199