Base | Representation |
---|---|
bin | 11100000001011000… |
… | …000100010010111100 |
3 | 2212122212121111222200 |
4 | 130001120010102330 |
5 | 443104442413330 |
6 | 21453331111500 |
7 | 2113414365462 |
oct | 340130042274 |
9 | 85585544880 |
10 | 30087857340 |
11 | 1183a8a1602 |
12 | 59b8442590 |
13 | 2ab66469a8 |
14 | 1655d98832 |
15 | bb16d0a60 |
hex | 7016044bc |
30087857340 has 36 divisors (see below), whose sum is σ = 91266501144. Its totient is φ = 8023428576.
The previous prime is 30087857291. The next prime is 30087857347. The reversal of 30087857340 is 4375878003.
30087857340 is a `hidden beast` number, since 3 + 0 + 0 + 8 + 78 + 573 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30087857347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83577202 + ... + 83577561.
Almost surely, 230087857340 is an apocalyptic number.
30087857340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30087857340 is an abundant number, since it is smaller than the sum of its proper divisors (61178643804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30087857340 is a wasteful number, since it uses less digits than its factorization.
30087857340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167154778 (or 167154773 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 30087857340 in words is "thirty billion, eighty-seven million, eight hundred fifty-seven thousand, three hundred forty".
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