Base | Representation |
---|---|
bin | 1101101111111001011000… |
… | …11011100100101000100100 |
3 | 10222001020201011100112001021 |
4 | 12313330230123210220210 |
5 | 12430314211134100423 |
6 | 144144505135140524 |
7 | 6240156265530043 |
oct | 667745433445044 |
9 | 128036634315037 |
10 | 30233020221988 |
11 | 96a682a818811 |
12 | 3483441374744 |
13 | 13b3c667681cc |
14 | 767400a6455a |
15 | 37666c0b295d |
hex | 1b7f2c6e4a24 |
30233020221988 has 48 divisors (see below), whose sum is σ = 54167200948224. Its totient is φ = 14758297638560.
The previous prime is 30233020221977. The next prime is 30233020221991. The reversal of 30233020221988 is 88912202033203.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197278473 + ... + 197431663.
It is an arithmetic number, because the mean of its divisors is an integer number (1128483353088).
Almost surely, 230233020221988 is an apocalyptic number.
It is an amenable number.
30233020221988 is a deficient number, since it is larger than the sum of its proper divisors (23934180726236).
30233020221988 is a wasteful number, since it uses less digits than its factorization.
30233020221988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155832 (or 155830 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The spelling of 30233020221988 in words is "thirty trillion, two hundred thirty-three billion, twenty million, two hundred twenty-one thousand, nine hundred eighty-eight".
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