Base | Representation |
---|---|
bin | 1101110000100010110110… |
… | …00110010001110100011010 |
3 | 10222010101011100022002001200 |
4 | 12320101123012101310122 |
5 | 12431200302132134110 |
6 | 144203025520455030 |
7 | 6241604664546204 |
oct | 670213306216432 |
9 | 128111140262050 |
10 | 30255278005530 |
11 | 9705211753a46 |
12 | 348781347a476 |
13 | 13b60a2b26626 |
14 | 768512b49774 |
15 | 3770211616c0 |
hex | 1b845b191d1a |
30255278005530 has 24 divisors (see below), whose sum is σ = 78663722814612. Its totient is φ = 8068074134784.
The previous prime is 30255278005487. The next prime is 30255278005571. The reversal of 30255278005530 is 3550087255203.
It is a happy number.
30255278005530 is a `hidden beast` number, since 3 + 0 + 25 + 5 + 2 + 78 + 0 + 0 + 553 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 25000790006241 + 5254487999289 = 5000079^2 + 2292267^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168084877719 + ... + 168084877898.
Almost surely, 230255278005530 is an apocalyptic number.
30255278005530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30255278005530 is an abundant number, since it is smaller than the sum of its proper divisors (48408444809082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30255278005530 is a wasteful number, since it uses less digits than its factorization.
30255278005530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 336169755630 (or 336169755627 counting only the distinct ones).
The product of its (nonzero) digits is 1260000, while the sum is 45.
The spelling of 30255278005530 in words is "thirty trillion, two hundred fifty-five billion, two hundred seventy-eight million, five thousand, five hundred thirty".
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