| Base | Representation |
|---|---|
| bin | 111000011111000010… |
| … | …1001010011111111000 |
| 3 | 102121002122112020010120 |
| 4 | 1300332011022133320 |
| 5 | 3441410430003100 |
| 6 | 131420313213240 |
| 7 | 11522641206123 |
| oct | 1607605123770 |
| 9 | 377078466116 |
| 10 | 121300625400 |
| 11 | 4749704a249 |
| 12 | 1b613401220 |
| 13 | b5917b0bb6 |
| 14 | 5c29d8b3ba |
| 15 | 324e26b0a0 |
| hex | 1c3e14a7f8 |
121300625400 has 192 divisors, whose sum is σ = 390741657600. Its totient is φ = 31095360000.
The previous prime is 121300625371. The next prime is 121300625429. The reversal of 121300625400 is 4526003121.
121300625400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (121300625371) and next prime (121300625429).
It is a super-2 number, since 2×1213006254002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2787006 + ... + 2830194.
It is an arithmetic number, because the mean of its divisors is an integer number (2035112800).
Almost surely, 2121300625400 is an apocalyptic number.
121300625400 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 121300625400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195370828800).
121300625400 is an abundant number, since it is smaller than the sum of its proper divisors (269441032200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121300625400 is a wasteful number, since it uses less digits than its factorization.
121300625400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43390 (or 43381 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 121300625400 its reverse (4526003121), we get a palindrome (125826628521).
The spelling of 121300625400 in words is "one hundred twenty-one billion, three hundred million, six hundred twenty-five thousand, four hundred".
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