Base | Representation |
---|---|
bin | 100011100110100010… |
… | …110011011111111000 |
3 | 10122200011000101210102 |
4 | 203212202303133320 |
5 | 1111242232400010 |
6 | 25321142334532 |
7 | 2522213265440 |
oct | 434642633770 |
9 | 118604011712 |
10 | 38227621880 |
11 | 15237550138 |
12 | 74aa42a448 |
13 | 37b2b13c06 |
14 | 1bc9045120 |
15 | edb0d7ba5 |
hex | 8e68b37f8 |
38227621880 has 192 divisors, whose sum is σ = 105241083840. Its totient is φ = 12199735296.
The previous prime is 38227621877. The next prime is 38227621903. The reversal of 38227621880 is 8812672283.
It is a super-2 number, since 2×382276218802 (a number of 22 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 47 ways as a sum of consecutive naturals, for example, 50498462 + ... + 50499218.
It is an arithmetic number, because the mean of its divisors is an integer number (548130645).
Almost surely, 238227621880 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38227621880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52620541920).
38227621880 is an abundant number, since it is smaller than the sum of its proper divisors (67013461960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38227621880 is a wasteful number, since it uses less digits than its factorization.
38227621880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 998 (or 891 counting only the distinct ones).
The product of its (nonzero) digits is 516096, while the sum is 47.
The spelling of 38227621880 in words is "thirty-eight billion, two hundred twenty-seven million, six hundred twenty-one thousand, eight hundred eighty".
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