Base | Representation |
---|---|
bin | 11100010001101000… |
… | …000010100000011100 |
3 | 2220100212121011122210 |
4 | 130101220002200130 |
5 | 444134240323042 |
6 | 21540350240420 |
7 | 2123234551200 |
oct | 342150024034 |
9 | 86325534583 |
10 | 30360479772 |
11 | 1196a7768a7 |
12 | 5a737b6110 |
13 | 2b2ac7a33c |
14 | 1680282b00 |
15 | bca5d2a9c |
hex | 711a0281c |
30360479772 has 216 divisors, whose sum is σ = 87453490320. Its totient is φ = 8172541440.
The previous prime is 30360479771. The next prime is 30360479839. The reversal of 30360479772 is 27797406303.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30360479771) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59647054 + ... + 59647562.
It is an arithmetic number, because the mean of its divisors is an integer number (404877270).
Almost surely, 230360479772 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30360479772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43726745160).
30360479772 is an abundant number, since it is smaller than the sum of its proper divisors (57093010548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30360479772 is a wasteful number, since it uses less digits than its factorization.
30360479772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 849 (or 821 counting only the distinct ones).
The product of its (nonzero) digits is 1333584, while the sum is 48.
The spelling of 30360479772 in words is "thirty billion, three hundred sixty million, four hundred seventy-nine thousand, seven hundred seventy-two".
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