Base | Representation |
---|---|
bin | 11011111100001011… |
… | …000010001011110100 |
3 | 2212102210100002100001 |
4 | 123330023002023310 |
5 | 442420120222430 |
6 | 21440532001044 |
7 | 2111304336112 |
oct | 337413021364 |
9 | 85383302301 |
10 | 30000554740 |
11 | 117a55928a2 |
12 | 5993160184 |
13 | 2aa152a750 |
14 | 1648550ab2 |
15 | ba8bd83ca |
hex | 6fc2c22f4 |
30000554740 has 48 divisors (see below), whose sum is σ = 68089024080. Its totient is φ = 11037680640.
The previous prime is 30000554737. The next prime is 30000554741. The reversal of 30000554740 is 4745500003.
It can be written as a sum of positive squares in 8 ways, for example, as 12013156 + 29988541584 = 3466^2 + 173172^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30000554699 and 30000554708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30000554741) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132255 + ... + 278374.
It is an arithmetic number, because the mean of its divisors is an integer number (1418521335).
Almost surely, 230000554740 is an apocalyptic number.
It is an amenable number.
30000554740 is an abundant number, since it is smaller than the sum of its proper divisors (38088469340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000554740 is a wasteful number, since it uses less digits than its factorization.
30000554740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410932 (or 410930 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 28.
The spelling of 30000554740 in words is "thirty billion, five hundred fifty-four thousand, seven hundred forty".
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