| Base | Representation |
|---|---|
| bin | 11100001000100111… |
| … | …000010000100000000 |
| 3 | 2212222022222102110000 |
| 4 | 130020213002010000 |
| 5 | 443332030031424 |
| 6 | 21513344240000 |
| 7 | 2116420066134 |
| oct | 341047020400 |
| 9 | 85868872400 |
| 10 | 30209220864 |
| 11 | 118a2354839 |
| 12 | 5a31010000 |
| 13 | 2b0582a424 |
| 14 | 166814b3c4 |
| 15 | bbc1a53c9 |
| hex | 7089c2100 |
30209220864 has 405 divisors, whose sum is σ = 97055564221. Its totient is φ = 9343918080.
The previous prime is 30209220857. The next prime is 30209220871. The reversal of 30209220864 is 46802290203.
The square root of 30209220864 is 173808.
It is a perfect power (a square), and thus also a powerful number.
30209220864 is a `hidden beast` number, since 302 + 0 + 92 + 208 + 64 = 666.
It is an interprime number because it is at equal distance from previous prime (30209220857) and next prime (30209220871).
It can be written as a sum of positive squares in only one way, i.e., 23519289600 + 6689931264 = 153360^2 + 81792^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 425481949 + ... + 425482019.
Almost surely, 230209220864 is an apocalyptic number.
30209220864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30209220864 is the 173808-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30209220864
30209220864 is an abundant number, since it is smaller than the sum of its proper divisors (66846343357).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30209220864 is an frugal number, since it uses more digits than its factorization.
30209220864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204 (or 93 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
Multiplying 30209220864 by its sum of digits (36), we get a square (1087531951104 = 10428482).
30209220864 divided by its sum of digits (36) gives a square (839145024 = 289682).
The spelling of 30209220864 in words is "thirty billion, two hundred nine million, two hundred twenty thousand, eight hundred sixty-four".
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