Base | Representation |
---|---|
bin | 11100101000000110… |
… | …000101011011011100 |
3 | 2221100010221111012022 |
4 | 130220012011123130 |
5 | 1000422242023222 |
6 | 22042014155312 |
7 | 2135463024611 |
oct | 345006053334 |
9 | 87303844168 |
10 | 30737454812 |
11 | 12043545819 |
12 | 5b59ab2b38 |
13 | 2b8b0b96ac |
14 | 16b8372508 |
15 | bed749042 |
hex | 7281856dc |
30737454812 has 12 divisors (see below), whose sum is σ = 53794265280. Its totient is φ = 15367664736.
The previous prime is 30737454793. The next prime is 30737454889. The reversal of 30737454812 is 21845473703.
It is a super-2 number, since 2×307374548122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198713 + ... + 317744.
It is an arithmetic number, because the mean of its divisors is an integer number (4482855440).
Almost surely, 230737454812 is an apocalyptic number.
It is an amenable number.
30737454812 is a deficient number, since it is larger than the sum of its proper divisors (23056810468).
30737454812 is a wasteful number, since it uses less digits than its factorization.
30737454812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531340 (or 531338 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 44.
The spelling of 30737454812 in words is "thirty billion, seven hundred thirty-seven million, four hundred fifty-four thousand, eight hundred twelve".
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