Base | Representation |
---|---|
bin | 11100011000001110… |
… | …000001110010111100 |
3 | 2220122120202100022120 |
4 | 130120032001302330 |
5 | 444401100223003 |
6 | 21555341242540 |
7 | 2126050042662 |
oct | 343016016274 |
9 | 86576670276 |
10 | 30471101628 |
11 | 11a17162720 |
12 | 5aa4863450 |
13 | 2b47b6c766 |
14 | 1690c3ac32 |
15 | bd5184853 |
hex | 718381cbc |
30471101628 has 48 divisors (see below), whose sum is σ = 77675283840. Its totient is φ = 9220276800.
The previous prime is 30471101621. The next prime is 30471101659. The reversal of 30471101628 is 82610117403.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30471101621) 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, 75823 + ... + 258246.
It is an arithmetic number, because the mean of its divisors is an integer number (1618235080).
Almost surely, 230471101628 is an apocalyptic number.
It is an amenable number.
30471101628 is an abundant number, since it is smaller than the sum of its proper divisors (47204182212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30471101628 is a wasteful number, since it uses less digits than its factorization.
30471101628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334778 (or 334776 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 33.
The spelling of 30471101628 in words is "thirty billion, four hundred seventy-one million, one hundred one thousand, six hundred twenty-eight".
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