Base | Representation |
---|---|
bin | 11100100010111101… |
… | …010101101011110101 |
3 | 2221010010210011010020 |
4 | 130202331111223311 |
5 | 1000233211313041 |
6 | 22025255115353 |
7 | 2133365355522 |
oct | 344275255365 |
9 | 87103704106 |
10 | 30651276021 |
11 | 11aa9934383 |
12 | 5b35072b59 |
13 | 2b762a4b22 |
14 | 16aab3c149 |
15 | be5dc4866 |
hex | 722f55af5 |
30651276021 has 8 divisors (see below), whose sum is σ = 41062057824. Its totient is φ = 20337339120.
The previous prime is 30651275987. The next prime is 30651276067. The reversal of 30651276021 is 12067215603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30651276021 - 221 = 30649178869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30651276091) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24210486 + ... + 24211751.
It is an arithmetic number, because the mean of its divisors is an integer number (5132757228).
Almost surely, 230651276021 is an apocalyptic number.
It is an amenable number.
30651276021 is a deficient number, since it is larger than the sum of its proper divisors (10410781803).
30651276021 is a wasteful number, since it uses less digits than its factorization.
30651276021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48422451.
The product of its (nonzero) digits is 15120, while the sum is 33.
The spelling of 30651276021 in words is "thirty billion, six hundred fifty-one million, two hundred seventy-six thousand, twenty-one".
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