Base | Representation |
---|---|
bin | 1011111011110111110001… |
… | …0101111000101100010100 |
3 | 1201110120022011010001211102 |
4 | 2332331330111320230110 |
5 | 3210002314031420200 |
6 | 43524415304125232 |
7 | 2523056256465614 |
oct | 276757425705424 |
9 | 51416264101742 |
10 | 13123211201300 |
11 | 41aa582668992 |
12 | 157b448a66818 |
13 | 74268a2338a5 |
14 | 335249a30a44 |
15 | 17b5714ee6d5 |
hex | bef7c578b14 |
13123211201300 has 72 divisors (see below), whose sum is σ = 28952503004544. Its totient is φ = 5161973667840.
The previous prime is 13123211201297. The next prime is 13123211201351. The reversal of 13123211201300 is 310211232131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2168597 + ... + 5563203.
Almost surely, 213123211201300 is an apocalyptic number.
13123211201300 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 13123211201300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14476251502272).
13123211201300 is an abundant number, since it is smaller than the sum of its proper divisors (15829291803244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123211201300 is a wasteful number, since it uses less digits than its factorization.
13123211201300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3395265 (or 3395258 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13123211201300 its reverse (310211232131), we get a palindrome (13433422433431).
The spelling of 13123211201300 in words is "thirteen trillion, one hundred twenty-three billion, two hundred eleven million, two hundred one thousand, three hundred".
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