Base | Representation |
---|---|
bin | 111000101000110101… |
… | …0000111111110001100 |
3 | 102121221112120112011201 |
4 | 1301101222013332030 |
5 | 3443044021101414 |
6 | 131513045155244 |
7 | 11534040064051 |
oct | 1612152077614 |
9 | 377845515151 |
10 | 121629081484 |
11 | 4764549a159 |
12 | 1b6a53bbb24 |
13 | b614863001 |
14 | 5c5b84b028 |
15 | 326ceeb574 |
hex | 1c51a87f8c |
121629081484 has 12 divisors (see below), whose sum is σ = 225371533464. Its totient is φ = 57237214784.
The previous prime is 121629081479. The next prime is 121629081491. The reversal of 121629081484 is 484180926121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894331414 + ... + 894331549.
It is an arithmetic number, because the mean of its divisors is an integer number (18780961122).
Almost surely, 2121629081484 is an apocalyptic number.
It is an amenable number.
121629081484 is a deficient number, since it is larger than the sum of its proper divisors (103742451980).
121629081484 is a wasteful number, since it uses less digits than its factorization.
121629081484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1788662984 (or 1788662982 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 46.
The spelling of 121629081484 in words is "one hundred twenty-one billion, six hundred twenty-nine million, eighty-one thousand, four hundred eighty-four".
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