| Base | Representation |
|---|---|
| bin | 10001011110011011010110… |
| … | …10011001000011010011100 |
| 3 | 12001001202122012111021211210 |
| 4 | 20233031223103020122130 |
| 5 | 20014104312334341440 |
| 6 | 213421551430544420 |
| 7 | 11044252200216033 |
| oct | 1057155323103234 |
| 9 | 161052565437753 |
| 10 | 38428872574620 |
| 11 | 11276658803300 |
| 12 | 4387933808110 |
| 13 | 1859a9a2a2a08 |
| 14 | 96bd785d971a |
| 15 | 4699532aea80 |
| hex | 22f36b4c869c |
38428872574620 has 144 divisors (see below), whose sum is σ = 118450944902304. Its totient is φ = 9301995225600.
The previous prime is 38428872574607. The next prime is 38428872574627. The reversal of 38428872574620 is 2647527882483.
It is a happy number.
38428872574620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38428872574627) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 794902 + ... + 8802818.
It is an arithmetic number, because the mean of its divisors is an integer number (822576006266).
Almost surely, 238428872574620 is an apocalyptic number.
38428872574620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38428872574620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59225472451152).
38428872574620 is an abundant number, since it is smaller than the sum of its proper divisors (80022072327684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38428872574620 is a wasteful number, since it uses less digits than its factorization.
38428872574620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8008612 (or 8008599 counting only the distinct ones).
The product of its (nonzero) digits is 289013760, while the sum is 66.
The spelling of 38428872574620 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred seventy-two million, five hundred seventy-four thousand, six hundred twenty".
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