Base | Representation |
---|---|
bin | 11100101101000111… |
… | …000010110100110101 |
3 | 2221120000021010020021 |
4 | 130231013002310311 |
5 | 1001110311423443 |
6 | 22054221405141 |
7 | 2140534132615 |
oct | 345507026465 |
9 | 87500233207 |
10 | 30821592373 |
11 | 12086a925a0 |
12 | 5b821097b1 |
13 | 2ba2668130 |
14 | 16c55d4a45 |
15 | c05d189ed |
hex | 72d1c2d35 |
30821592373 has 8 divisors (see below), whose sum is σ = 36209982816. Its totient is φ = 25864273200.
The previous prime is 30821592371. The next prime is 30821592401. The reversal of 30821592373 is 37329512803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30821592373 - 21 = 30821592371 is a prime.
It is a super-2 number, since 2×308215923732 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30821592371) 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, 107767663 + ... + 107767948.
It is an arithmetic number, because the mean of its divisors is an integer number (4526247852).
Almost surely, 230821592373 is an apocalyptic number.
It is an amenable number.
30821592373 is a deficient number, since it is larger than the sum of its proper divisors (5388390443).
30821592373 is a wasteful number, since it uses less digits than its factorization.
30821592373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215535635.
The product of its (nonzero) digits is 272160, while the sum is 43.
The spelling of 30821592373 in words is "thirty billion, eight hundred twenty-one million, five hundred ninety-two thousand, three hundred seventy-three".
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