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13013223021000 = 2333538912742641
BaseRepresentation
bin1011110101011110000010…
…0010010001100111001000
31201002001101212221121001000
42331113200202101213020
53201202040043133000
643402105255455000
72512113540414126
oct275274042214710
951061355847030
1013013223021000
114167971161124
121562072087460
137351ac3148b7
1432dbb4246916
1517878548e000
hexbd5e08919c8

13013223021000 has 512 divisors, whose sum is σ = 45979674624000. Its totient is φ = 3404104704000.

The previous prime is 13013223020981. The next prime is 13013223021133. The reversal of 13013223021000 is 12032231031.

13013223021000 is a `hidden beast` number, since 1 + 30 + 1 + 322 + 302 + 10 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 305159680 + ... + 305202320.

It is an arithmetic number, because the mean of its divisors is an integer number (89804052000).

Almost surely, 213013223021000 is an apocalyptic number.

13013223021000 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 13013223021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22989837312000).

13013223021000 is an abundant number, since it is smaller than the sum of its proper divisors (32966451603000).

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

13013223021000 is a wasteful number, since it uses less digits than its factorization.

13013223021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42887 (or 42867 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13013223021000 its reverse (12032231031), we get a palindrome (13025255252031).

The spelling of 13013223021000 in words is "thirteen trillion, thirteen billion, two hundred twenty-three million, twenty-one thousand".