Base | Representation |
---|---|
bin | 11011111101011101… |
… | …100110111101110000 |
3 | 2212111022001211200210 |
4 | 123331131212331300 |
5 | 442441140414300 |
6 | 21443023544120 |
7 | 2111656333245 |
oct | 337535467560 |
9 | 85438054623 |
10 | 30022201200 |
11 | 11806828132 |
12 | 599a45b040 |
13 | 2aa5b693c4 |
14 | 164b3875cc |
15 | baaa62050 |
hex | 6fd766f70 |
30022201200 has 60 divisors (see below), whose sum is σ = 96171121688. Its totient is φ = 8005920000.
The previous prime is 30022201159. The next prime is 30022201249. The reversal of 30022201200 is 210222003.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12508051 + ... + 12510450.
Almost surely, 230022201200 is an apocalyptic number.
30022201200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30022201200 is an abundant number, since it is smaller than the sum of its proper divisors (66148920488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30022201200 is a wasteful number, since it uses less digits than its factorization.
30022201200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25018522 (or 25018511 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 30022201200 its reverse (210222003), we get a palindrome (30232423203).
The spelling of 30022201200 in words is "thirty billion, twenty-two million, two hundred one thousand, two hundred".
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