Base | Representation |
---|---|
bin | 11100001000001100… |
… | …101101011000010000 |
3 | 2212221211222211210021 |
4 | 130020030231120100 |
5 | 443323243223100 |
6 | 21512540313224 |
7 | 2116304326150 |
oct | 341014553020 |
9 | 85854884707 |
10 | 30202320400 |
11 | 1189947137a |
12 | 5a2a842814 |
13 | 2b04282605 |
14 | 1667272760 |
15 | bbb790a1a |
hex | 70832d610 |
30202320400 has 240 divisors, whose sum is σ = 85933388800. Its totient is φ = 9982310400.
The previous prime is 30202320397. The next prime is 30202320443. The reversal of 30202320400 is 402320203.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30292702 + ... + 30293698.
Almost surely, 230202320400 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30202320400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42966694400).
30202320400 is an abundant number, since it is smaller than the sum of its proper divisors (55731068400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202320400 is a wasteful number, since it uses less digits than its factorization.
30202320400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1402 (or 1391 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 16.
Adding to 30202320400 its reverse (402320203), we get a palindrome (30604640603).
The spelling of 30202320400 in words is "thirty billion, two hundred two million, three hundred twenty thousand, four hundred".
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