Search a number
-
+
13021302211200 = 27325217233593221
BaseRepresentation
bin1011110101111100001000…
…0101111100001010000000
31201002211020221100222110200
42331133002011330022000
53201320111331224300
643405523104525200
72512521002405403
oct275370205741200
951084227328420
1013021302211200
1141703376a7318
121563747920800
13735b9909360a
1433033d245d3a
15178aa98cd200
hexbd7c217c280

13021302211200 has 1152 divisors, whose sum is σ = 51494045241600. Its totient is φ = 3116325273600.

The previous prime is 13021302211171. The next prime is 13021302211201. The reversal of 13021302211200 is 211220312031.

13021302211200 is a `hidden beast` number, since 1 + 30 + 213 + 0 + 221 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×130213022112002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13021302211201) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4042625590 + ... + 4042628810.

It is an arithmetic number, because the mean of its divisors is an integer number (44699692050).

Almost surely, 213021302211200 is an apocalyptic number.

13021302211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13021302211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25747022620800).

13021302211200 is an abundant number, since it is smaller than the sum of its proper divisors (38472743030400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021302211200 is a wasteful number, since it uses less digits than its factorization.

13021302211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13021302211200 its reverse (211220312031), we get a palindrome (13232522523231).

The spelling of 13021302211200 in words is "thirteen trillion, twenty-one billion, three hundred two million, two hundred eleven thousand, two hundred".