Base | Representation |
---|---|
bin | 100010100101001111… |
… | …0010000100011100100 |
3 | 21002200120121111112221 |
4 | 1011022132100203210 |
5 | 2204043023441043 |
6 | 54041044522124 |
7 | 5236220436160 |
oct | 1051236204344 |
9 | 232616544487 |
10 | 74263890148 |
11 | 2954a036928 |
12 | 124869b0344 |
13 | 7006932b86 |
14 | 384701dca0 |
15 | 1de9b108ed |
hex | 114a7908e4 |
74263890148 has 24 divisors (see below), whose sum is σ = 150196636800. Its totient is φ = 31469769408.
The previous prime is 74263890133. The next prime is 74263890289. The reversal of 74263890148 is 84109836247.
It is a super-2 number, since 2×742638901482 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 74263890095 and 74263890104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14897968 + ... + 14902951.
It is an arithmetic number, because the mean of its divisors is an integer number (6258193200).
Almost surely, 274263890148 is an apocalyptic number.
It is an amenable number.
74263890148 is an abundant number, since it is smaller than the sum of its proper divisors (75932746652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74263890148 is a wasteful number, since it uses less digits than its factorization.
74263890148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29801019 (or 29801017 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 52.
The spelling of 74263890148 in words is "seventy-four billion, two hundred sixty-three million, eight hundred ninety thousand, one hundred forty-eight".
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