Search a number
-
+
13100000201221 = 67892321912181
BaseRepresentation
bin1011111010100001010011…
…0110111100101000000101
31201101100101112112002112211
42332220110312330220011
53204112300022414341
643510020151543421
72521305134315503
oct276502466745005
951340345462484
1013100000201221
1141a0751662a9a
121576a4b68ab71
1374042b53860b
143340870d9673
1517ab63911181
hexbea14dbca05

13100000201221 has 8 divisors (see below), whose sum is σ = 13297013227424. Its totient is φ = 12903031017360.

The previous prime is 13100000201209. The next prime is 13100000201231. The reversal of 13100000201221 is 12210200000131.

13100000201221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13100000201221 - 223 = 13099991812613 is a prime.

It is a super-2 number, since 2×131000002012212 (a number of 27 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 (13100000201231) 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, 10358250 + ... + 11553931.

It is an arithmetic number, because the mean of its divisors is an integer number (1662126653428).

Almost surely, 213100000201221 is an apocalyptic number.

It is an amenable number.

13100000201221 is a deficient number, since it is larger than the sum of its proper divisors (197013026203).

13100000201221 is an equidigital number, since it uses as much as digits as its factorization.

13100000201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21921171.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13100000201221 its reverse (12210200000131), we get a palindrome (25310200201352).

The spelling of 13100000201221 in words is "thirteen trillion, one hundred billion, two hundred one thousand, two hundred twenty-one".

Divisors: 1 67 8923 597841 21912181 1468116127 195522391063 13100000201221