Base | Representation |
---|---|
bin | 1011000111000100001… |
… | …01000001110011100100 |
3 | 1100111100211010221020112 |
4 | 11203202011001303210 |
5 | 22223311010402410 |
6 | 451212405152152 |
7 | 36403060143116 |
oct | 5434205016344 |
9 | 1314324127215 |
10 | 381750090980 |
11 | 137998a79665 |
12 | 61b9b3bb658 |
13 | 29cca6ca8cb |
14 | 146964c13b6 |
15 | 9de4628105 |
hex | 58e2141ce4 |
381750090980 has 12 divisors (see below), whose sum is σ = 801675191100. Its totient is φ = 152700036384.
The previous prime is 381750090937. The next prime is 381750090983. The reversal of 381750090980 is 89090057183.
It can be written as a sum of positive squares in 2 ways, for example, as 41273172964 + 340476918016 = 203158^2 + 583504^2 .
It is not an unprimeable number, because it can be changed into a prime (381750090983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9543752255 + ... + 9543752294.
It is an arithmetic number, because the mean of its divisors is an integer number (66806265925).
Almost surely, 2381750090980 is an apocalyptic number.
It is an amenable number.
381750090980 is an abundant number, since it is smaller than the sum of its proper divisors (419925100120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381750090980 is a wasteful number, since it uses less digits than its factorization.
381750090980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19087504558 (or 19087504556 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 50.
The spelling of 381750090980 in words is "three hundred eighty-one billion, seven hundred fifty million, ninety thousand, nine hundred eighty".
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