| Base | Representation |
|---|---|
| bin | 1011111011110100111100… |
| … | …1010110011001011010000 |
| 3 | 1201110111100100000201200110 |
| 4 | 2332331033022303023100 |
| 5 | 3204444241022223100 |
| 6 | 43524212152121320 |
| 7 | 2523031424554404 |
| oct | 276751712631320 |
| 9 | 51414310021613 |
| 10 | 13122453320400 |
| 11 | 41aa223885836 |
| 12 | 157b277096240 |
| 13 | 742599209c58 |
| 14 | 3351b710b104 |
| 15 | 17b529be7250 |
| hex | bef4f2b32d0 |
13122453320400 has 240 divisors, whose sum is σ = 42463271551680. Its totient is φ = 3463736832000.
The previous prime is 13122453320377. The next prime is 13122453320401. The reversal of 13122453320400 is 402335422131.
It is a tau number, because it is divible by the number of its divisors (240).
It is a super-2 number, since 2×131224533204002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13122453320401) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525874324 + ... + 525899276.
It is an arithmetic number, because the mean of its divisors is an integer number (176930298132).
Almost surely, 213122453320400 is an apocalyptic number.
13122453320400 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 13122453320400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21231635775840).
13122453320400 is an abundant number, since it is smaller than the sum of its proper divisors (29340818231280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13122453320400 is a wasteful number, since it uses less digits than its factorization.
13122453320400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29414 (or 29403 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 13122453320400 its reverse (402335422131), we get a palindrome (13524788742531).
The spelling of 13122453320400 in words is "thirteen trillion, one hundred twenty-two billion, four hundred fifty-three million, three hundred twenty thousand, four hundred".
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