Base | Representation |
---|---|
bin | 10001100000001000011000… |
… | …01111100010010101011010 |
3 | 12001021100201120222101222020 |
4 | 20300010030033202111122 |
5 | 20021034202234320332 |
6 | 213504512034035310 |
7 | 11051423555416230 |
oct | 1060041417422532 |
9 | 161240646871866 |
10 | 38487407338842 |
11 | 11299466095000 |
12 | 439714aa18b36 |
13 | 18624682c0287 |
14 | 970b2c638950 |
15 | 46b22c08382c |
hex | 23010c3e255a |
38487407338842 has 128 divisors (see below), whose sum is σ = 98124580417536. Its totient is φ = 9855929160000.
The previous prime is 38487407338837. The next prime is 38487407338883. The reversal of 38487407338842 is 24883370478483.
It is a super-3 number, since 3×384874073388423 (a number of 42 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 879409 + ... + 8817492.
It is an arithmetic number, because the mean of its divisors is an integer number (766598284512).
Almost surely, 238487407338842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38487407338842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49062290208768).
38487407338842 is an abundant number, since it is smaller than the sum of its proper divisors (59637173078694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38487407338842 is a wasteful number, since it uses less digits than its factorization.
38487407338842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9697017 (or 9696995 counting only the distinct ones).
The product of its (nonzero) digits is 693633024, while the sum is 69.
The spelling of 38487407338842 in words is "thirty-eight trillion, four hundred eighty-seven billion, four hundred seven million, three hundred thirty-eight thousand, eight hundred forty-two".
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