Base | Representation |
---|---|
bin | 111000010110100111… |
… | …1001011000100001110 |
3 | 102120100221210020000210 |
4 | 1300231033023010032 |
5 | 3440321104131434 |
6 | 131332300303250 |
7 | 11512640223555 |
oct | 1605517130416 |
9 | 376327706023 |
10 | 121018036494 |
11 | 47361587aa3 |
12 | 1b554841b26 |
13 | b54809b024 |
14 | 5c0062ad9c |
15 | 323454aee9 |
hex | 1c2d3cb10e |
121018036494 has 32 divisors (see below), whose sum is σ = 243188951040. Its totient is φ = 40147300512.
The previous prime is 121018036471. The next prime is 121018036543. The reversal of 121018036494 is 494630810121.
It is a congruent number.
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, 5819287 + ... + 5840045.
It is an arithmetic number, because the mean of its divisors is an integer number (7599654720).
Almost surely, 2121018036494 is an apocalyptic number.
121018036494 is an abundant number, since it is smaller than the sum of its proper divisors (122170914546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121018036494 is a wasteful number, since it uses less digits than its factorization.
121018036494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25344.
The product of its (nonzero) digits is 41472, while the sum is 39.
The spelling of 121018036494 in words is "one hundred twenty-one billion, eighteen million, thirty-six thousand, four hundred ninety-four".
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