Base | Representation |
---|---|
bin | 11100010010001001… |
… | …101101011010000000 |
3 | 2220101111012121022000 |
4 | 130102021231122000 |
5 | 444144020244430 |
6 | 21541303344000 |
7 | 2123402562300 |
oct | 342211553200 |
9 | 86344177260 |
10 | 30369306240 |
11 | 119747552a9 |
12 | 5a76752000 |
13 | 2b2ca4a9c0 |
14 | 16814dd600 |
15 | bcb277e60 |
hex | 71226d680 |
30369306240 has 1536 divisors, whose sum is σ = 140652288000. Its totient is φ = 6131220480.
The previous prime is 30369306229. The next prime is 30369306251. The reversal of 30369306240 is 4260396303.
30369306240 is a `hidden beast` number, since 303 + 6 + 9 + 306 + 2 + 40 = 666.
It is an interprime number because it is at equal distance from previous prime (30369306229) and next prime (30369306251).
It is a super-2 number, since 2×303693062402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 30369306195 and 30369306204.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 341228116 + ... + 341228204.
It is an arithmetic number, because the mean of its divisors is an integer number (91570500).
Almost surely, 230369306240 is an apocalyptic number.
30369306240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30369306240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70326144000).
30369306240 is an abundant number, since it is smaller than the sum of its proper divisors (110282981760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30369306240 is a wasteful number, since it uses less digits than its factorization.
30369306240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175 (or 150 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 36.
The spelling of 30369306240 in words is "thirty billion, three hundred sixty-nine million, three hundred six thousand, two hundred forty".
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