Base | Representation |
---|---|
bin | 11100100001001101… |
… | …110110101110000000 |
3 | 2221001002210101012110 |
4 | 130201031312232000 |
5 | 1000203221114300 |
6 | 22022332455320 |
7 | 2132562066126 |
oct | 344115665600 |
9 | 87032711173 |
10 | 30622051200 |
11 | 11a94393334 |
12 | 5b2731a540 |
13 | 2b70211930 |
14 | 16a6cd1916 |
15 | be3550550 |
hex | 721376b80 |
30622051200 has 384 divisors, whose sum is σ = 112378744800. Its totient is φ = 7276953600.
The previous prime is 30622051133. The next prime is 30622051231. The reversal of 30622051200 is 215022603.
It is a tau number, because it is divible by the number of its divisors (384).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3614970 + ... + 3623430.
Almost surely, 230622051200 is an apocalyptic number.
30622051200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30622051200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56189372400).
30622051200 is an abundant number, since it is smaller than the sum of its proper divisors (81756693600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30622051200 is a wasteful number, since it uses less digits than its factorization.
30622051200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8530 (or 8513 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 30622051200 its reverse (215022603), we get a palindrome (30837073803).
The spelling of 30622051200 in words is "thirty billion, six hundred twenty-two million, fifty-one thousand, two hundred".
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