Base | Representation |
---|---|
bin | 11100001011111000… |
… | …010110010000000010 |
3 | 2220010011020011000100 |
4 | 130023320112100002 |
5 | 443440101413100 |
6 | 21523024303230 |
7 | 2120654351232 |
oct | 341370262002 |
9 | 86104204010 |
10 | 30264091650 |
11 | 11920321aa1 |
12 | 5a47471b16 |
13 | 2b13ccc850 |
14 | 1671551cc2 |
15 | bc1de3400 |
hex | 70be16402 |
30264091650 has 144 divisors (see below), whose sum is σ = 89000631720. Its totient is φ = 7327411200.
The previous prime is 30264091639. The next prime is 30264091661. The reversal of 30264091650 is 5619046203.
It is a happy number.
30264091650 is a `hidden beast` number, since 3 + 0 + 2 + 640 + 9 + 1 + 6 + 5 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30264091639) and next prime (30264091661).
It can be written as a sum of positive squares in 12 ways, for example, as 6594576849 + 23669514801 = 81207^2 + 153849^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 314446 + ... + 399254.
Almost surely, 230264091650 is an apocalyptic number.
30264091650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30264091650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44500315860).
30264091650 is an abundant number, since it is smaller than the sum of its proper divisors (58736540070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30264091650 is a wasteful number, since it uses less digits than its factorization.
30264091650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84901 (or 84893 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 30264091650 in words is "thirty billion, two hundred sixty-four million, ninety-one thousand, six hundred fifty".
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