Base | Representation |
---|---|
bin | 11100100011000000… |
… | …100011000010010100 |
3 | 2221010012100212220210 |
4 | 130203000203002110 |
5 | 1000233420222030 |
6 | 22025325125420 |
7 | 2133405461001 |
oct | 344300430224 |
9 | 87105325823 |
10 | 30652117140 |
11 | 11aaa359317 |
12 | 5b353b9870 |
13 | 2b7650a928 |
14 | 16aacba8a8 |
15 | be5eddbb0 |
hex | 723023094 |
30652117140 has 24 divisors (see below), whose sum is σ = 85825928160. Its totient is φ = 8173897888.
The previous prime is 30652117127. The next prime is 30652117141. The reversal of 30652117140 is 4171125603.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 30652117098 and 30652117107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30652117141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255434250 + ... + 255434369.
It is an arithmetic number, because the mean of its divisors is an integer number (3576080340).
Almost surely, 230652117140 is an apocalyptic number.
30652117140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30652117140 is an abundant number, since it is smaller than the sum of its proper divisors (55173811020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30652117140 is a wasteful number, since it uses less digits than its factorization.
30652117140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510868631 (or 510868629 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The spelling of 30652117140 in words is "thirty billion, six hundred fifty-two million, one hundred seventeen thousand, one hundred forty".
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