Base | Representation |
---|---|
bin | 111000011111110001… |
… | …1011010101101011100 |
3 | 102121011101000112001110 |
4 | 1300333203122231130 |
5 | 3441433241131330 |
6 | 131422554542020 |
7 | 11523361214001 |
oct | 1607743325534 |
9 | 377141015043 |
10 | 121325333340 |
11 | 474a9a95732 |
12 | 1b61b737910 |
13 | b596952193 |
14 | 5c2d37d8a8 |
15 | 32514ebdb0 |
hex | 1c3f8dab5c |
121325333340 has 192 divisors, whose sum is σ = 369342167040. Its totient is φ = 29656730880.
The previous prime is 121325333333. The next prime is 121325333387. The reversal of 121325333340 is 43333523121.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 121325333298 and 121325333307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5233575 + ... + 5256705.
It is an arithmetic number, because the mean of its divisors is an integer number (1923657120).
Almost surely, 2121325333340 is an apocalyptic number.
121325333340 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 121325333340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184671083520).
121325333340 is an abundant number, since it is smaller than the sum of its proper divisors (248016833700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121325333340 is a wasteful number, since it uses less digits than its factorization.
121325333340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23312 (or 23310 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 30.
Adding to 121325333340 its reverse (43333523121), we get a palindrome (164658856461).
The spelling of 121325333340 in words is "one hundred twenty-one billion, three hundred twenty-five million, three hundred thirty-three thousand, three hundred forty".
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