Base | Representation |
---|---|
bin | 111000100000100010… |
… | …1000010010110100000 |
3 | 102121020011011122101211 |
4 | 1301001011002112200 |
5 | 3442011314024210 |
6 | 131425311235504 |
7 | 11524121555260 |
oct | 1610105022640 |
9 | 377204148354 |
10 | 121350923680 |
11 | 47512484078 |
12 | 1b628218b94 |
13 | b59c041cac |
14 | 5c329217a0 |
15 | 32538a438a |
hex | 1c411425a0 |
121350923680 has 96 divisors (see below), whose sum is σ = 344892159360. Its totient is φ = 39416232960.
The previous prime is 121350923653. The next prime is 121350923711. The reversal of 121350923680 is 86329053121.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830011 + ... + 2872570.
It is an arithmetic number, because the mean of its divisors is an integer number (3592626660).
Almost surely, 2121350923680 is an apocalyptic number.
121350923680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121350923680 is an abundant number, since it is smaller than the sum of its proper divisors (223541235680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121350923680 is a wasteful number, since it uses less digits than its factorization.
121350923680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5702622 (or 5702614 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 40.
The spelling of 121350923680 in words is "one hundred twenty-one billion, three hundred fifty million, nine hundred twenty-three thousand, six hundred eighty".
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