Base | Representation |
---|---|
bin | 111000110010111100… |
… | …0110110001010110100 |
3 | 102122211012020000022221 |
4 | 1301211320312022310 |
5 | 3444242413010134 |
6 | 132010451532124 |
7 | 11545331005600 |
oct | 1614570661264 |
9 | 378735200287 |
10 | 121968485044 |
11 | 477aa03706a |
12 | 1b77abba044 |
13 | b669c79013 |
14 | 5c9095a500 |
15 | 328cbe05b4 |
hex | 1c65e362b4 |
121968485044 has 36 divisors (see below), whose sum is σ = 250248101376. Its totient is φ = 51860605104.
The previous prime is 121968485027. The next prime is 121968485083. The reversal of 121968485044 is 440584869121.
It is a super-2 number, since 2×1219684850442 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121968484982 and 121968485000.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 2425062 + ... + 2474845.
Almost surely, 2121968485044 is an apocalyptic number.
121968485044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
121968485044 is an abundant number, since it is smaller than the sum of its proper divisors (128279616332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121968485044 is a wasteful number, since it uses less digits than its factorization.
121968485044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4900052 (or 4900043 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 52.
The spelling of 121968485044 in words is "one hundred twenty-one billion, nine hundred sixty-eight million, four hundred eighty-five thousand, forty-four".
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