Base | Representation |
---|---|
bin | 100100000011000001… |
… | …011001101101100010 |
3 | 10200220110001021201000 |
4 | 210003001121231202 |
5 | 1113232040423040 |
6 | 25440411052430 |
7 | 2540104340454 |
oct | 440301315542 |
9 | 120813037630 |
10 | 38705404770 |
11 | 1546221252a |
12 | 7602441116 |
13 | 385aaba696 |
14 | 1c326962d4 |
15 | 1018013130 |
hex | 903059b62 |
38705404770 has 64 divisors (see below), whose sum is σ = 106773552000. Its totient is φ = 9965527488.
The previous prime is 38705404769. The next prime is 38705404781. The reversal of 38705404770 is 7740450783.
38705404770 is a `hidden beast` number, since 38 + 7 + 0 + 540 + 4 + 7 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2463780 + ... + 2479439.
It is an arithmetic number, because the mean of its divisors is an integer number (1668336750).
Almost surely, 238705404770 is an apocalyptic number.
38705404770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38705404770 is an abundant number, since it is smaller than the sum of its proper divisors (68068147230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38705404770 is a wasteful number, since it uses less digits than its factorization.
38705404770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4943264 (or 4943258 counting only the distinct ones).
The product of its (nonzero) digits is 658560, while the sum is 45.
The spelling of 38705404770 in words is "thirty-eight billion, seven hundred five million, four hundred four thousand, seven hundred seventy".
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