Base | Representation |
---|---|
bin | 1101111011100000000010… |
… | …10010001010100010100010 |
3 | 11000110100211210221011002012 |
4 | 12331300001102022202202 |
5 | 13003332234420402200 |
6 | 145052004404552522 |
7 | 6311032532320232 |
oct | 675600122124242 |
9 | 130410753834065 |
10 | 30631728294050 |
11 | 983a930066574 |
12 | 35287739b2742 |
13 | 1412737536740 |
14 | 77c825407cc2 |
15 | 381c05362a35 |
hex | 1bdc0148a8a2 |
30631728294050 has 48 divisors (see below), whose sum is σ = 63336989006592. Its totient is φ = 10945332187200.
The previous prime is 30631728294007. The next prime is 30631728294067. The reversal of 30631728294050 is 5049282713603.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a self number, because there is not a number n which added to its sum of digits gives 30631728294050.
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, 760072364 + ... + 760112663.
It is an arithmetic number, because the mean of its divisors is an integer number (1319520604304).
It is a 1-persistent number, because it is pandigital, but 2⋅30631728294050 = 61263456588100 is not.
Almost surely, 230631728294050 is an apocalyptic number.
30631728294050 is an abundant number, since it is smaller than the sum of its proper divisors (32705260712542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30631728294050 is a wasteful number, since it uses less digits than its factorization.
30631728294050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1520185083 (or 1520185078 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 50.
The spelling of 30631728294050 in words is "thirty trillion, six hundred thirty-one billion, seven hundred twenty-eight million, two hundred ninety-four thousand, fifty".
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