Base | Representation |
---|---|
bin | 11100000010000110… |
… | …100010101011011100 |
3 | 2212200201112111000120 |
4 | 130002012202223130 |
5 | 443121102243122 |
6 | 21454444154540 |
7 | 2113623056601 |
oct | 340206425334 |
9 | 85621474016 |
10 | 30100040412 |
11 | 11846762962 |
12 | 5a00538a50 |
13 | 2ab9021100 |
14 | 165784a6a8 |
15 | bb27da75c |
hex | 7021a2adc |
30100040412 has 72 divisors (see below), whose sum is σ = 78674203440. Its totient is φ = 8942169600.
The previous prime is 30100040381. The next prime is 30100040491. The reversal of 30100040412 is 21404000103.
It is a junction number, because it is equal to n+sod(n) for n = 30100040391 and 30100040400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197089 + ... + 314712.
It is an arithmetic number, because the mean of its divisors is an integer number (1092697270).
Almost surely, 230100040412 is an apocalyptic number.
It is an amenable number.
30100040412 is an abundant number, since it is smaller than the sum of its proper divisors (48574163028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30100040412 is a wasteful number, since it uses less digits than its factorization.
30100040412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 511863 (or 511848 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 30100040412 its reverse (21404000103), we get a palindrome (51504040515).
The spelling of 30100040412 in words is "thirty billion, one hundred million, forty thousand, four hundred twelve".
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