Base | Representation |
---|---|
bin | 1011010001110010010… |
… | …10001011111010100110 |
3 | 1101001012221221211201110 |
4 | 11220321022023322212 |
5 | 22322103020400243 |
6 | 454003503005450 |
7 | 36665521615152 |
oct | 5507112137246 |
9 | 1331187854643 |
10 | 387506028198 |
11 | 13a382061473 |
12 | 63126b99886 |
13 | 2a707052513 |
14 | 14a80b1c062 |
15 | a12eb00e33 |
hex | 5a3928bea6 |
387506028198 has 32 divisors (see below), whose sum is σ = 803506037760. Its totient is φ = 124456070880.
The previous prime is 387506028139. The next prime is 387506028227. The reversal of 387506028198 is 891820605783.
It is a happy number.
It is a super-2 number, since 2×3875060281982 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
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, 4506240 + ... + 4591427.
It is an arithmetic number, because the mean of its divisors is an integer number (25109563680).
Almost surely, 2387506028198 is an apocalyptic number.
387506028198 is an abundant number, since it is smaller than the sum of its proper divisors (416000009562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387506028198 is a wasteful number, since it uses less digits than its factorization.
387506028198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9097932.
The product of its (nonzero) digits is 5806080, while the sum is 57.
The spelling of 387506028198 in words is "three hundred eighty-seven billion, five hundred six million, twenty-eight thousand, one hundred ninety-eight".
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