Base | Representation |
---|---|
bin | 1101110000111011010100… |
… | …10100110100101010110100 |
3 | 10222011122002010020011221002 |
4 | 12320131222110310222310 |
5 | 12431404210101102140 |
6 | 144213041444342432 |
7 | 6242551424066225 |
oct | 670355224645264 |
9 | 128148063204832 |
10 | 30268418378420 |
11 | 970a845095652 |
12 | 348a2800a4a18 |
13 | 13b73b83062c1 |
14 | 768ddbdb524c |
15 | 37753ea90415 |
hex | 1b876a534ab4 |
30268418378420 has 48 divisors (see below), whose sum is σ = 63920901652608. Its totient is φ = 12039337514880.
The previous prime is 30268418378413. The next prime is 30268418378477. The reversal of 30268418378420 is 2487381486203.
It is a super-2 number, since 2×302684183784202 (a number of 28 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 38427377 + ... + 39207143.
It is an arithmetic number, because the mean of its divisors is an integer number (1331685451096).
Almost surely, 230268418378420 is an apocalyptic number.
It is an amenable number.
30268418378420 is an abundant number, since it is smaller than the sum of its proper divisors (33652483274188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30268418378420 is a wasteful number, since it uses less digits than its factorization.
30268418378420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 790680 (or 790678 counting only the distinct ones).
The product of its (nonzero) digits is 12386304, while the sum is 56.
The spelling of 30268418378420 in words is "thirty trillion, two hundred sixty-eight billion, four hundred eighteen million, three hundred seventy-eight thousand, four hundred twenty".
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