Base | Representation |
---|---|
bin | 11100001001101110… |
… | …001110110110000000 |
3 | 2220000122002200102121 |
4 | 130021232032312000 |
5 | 443401314313230 |
6 | 21515252254024 |
7 | 2120034533614 |
oct | 341156166600 |
9 | 86018080377 |
10 | 30227885440 |
11 | 11901942805 |
12 | 5a37311314 |
13 | 2b09663a5c |
14 | 166a809344 |
15 | bbdb4077a |
hex | 709b8ed80 |
30227885440 has 64 divisors (see below), whose sum is σ = 73944153360. Its totient is φ = 11809953792.
The previous prime is 30227885407. The next prime is 30227885461. The reversal of 30227885440 is 4458872203.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
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, 521679 + ... + 576718.
Almost surely, 230227885440 is an apocalyptic number.
It is an amenable number.
30227885440 is an abundant number, since it is smaller than the sum of its proper divisors (43716267920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30227885440 is a wasteful number, since it uses less digits than its factorization.
30227885440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1098459 (or 1098447 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 43.
The spelling of 30227885440 in words is "thirty billion, two hundred twenty-seven million, eight hundred eighty-five thousand, four hundred forty".
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