Base | Representation |
---|---|
bin | 100011110000001110… |
… | …100001001101010000 |
3 | 10200002110200221021120 |
4 | 203300032201031100 |
5 | 1112110324414430 |
6 | 25345224322240 |
7 | 2526225156345 |
oct | 436016411520 |
9 | 120073627246 |
10 | 38390076240 |
11 | 1531021953a |
12 | 7534913380 |
13 | 380a683859 |
14 | 1c028527cc |
15 | eea4c7610 |
hex | 8f03a1350 |
38390076240 has 40 divisors (see below), whose sum is σ = 119009237088. Its totient is φ = 10237353600.
The previous prime is 38390076239. The next prime is 38390076259. The reversal of 38390076240 is 4267009383.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 38390076192 and 38390076201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79979086 + ... + 79979565.
Almost surely, 238390076240 is an apocalyptic number.
38390076240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38390076240 is an abundant number, since it is smaller than the sum of its proper divisors (80619160848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38390076240 is a wasteful number, since it uses less digits than its factorization.
38390076240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159958667 (or 159958661 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 42.
The spelling of 38390076240 in words is "thirty-eight billion, three hundred ninety million, seventy-six thousand, two hundred forty".
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