Base | Representation |
---|---|
bin | 10001011100111101010100… |
… | …10001011011110110100010 |
3 | 12000212221022221122201121020 |
4 | 20232132222101123312202 |
5 | 20012242420202041020 |
6 | 213342442211110310 |
7 | 11040514161105426 |
oct | 1056365221336642 |
9 | 160787287581536 |
10 | 38378389487010 |
11 | 112572023853a1 |
12 | 4379ba4ba2396 |
13 | 18550b341cb41 |
14 | 969749a76b86 |
15 | 46849b2e2c40 |
hex | 22e7aa45bda2 |
38378389487010 has 128 divisors (see below), whose sum is σ = 96544890164736. Its totient is φ = 9745281976320.
The previous prime is 38378389486993. The next prime is 38378389487047. The reversal of 38378389487010 is 1078498387383.
It is a Harshad number since it is a multiple of its sum of digits (69).
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, 897235984 + ... + 897278756.
It is an arithmetic number, because the mean of its divisors is an integer number (754256954412).
Almost surely, 238378389487010 is an apocalyptic number.
38378389487010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38378389487010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48272445082368).
38378389487010 is an abundant number, since it is smaller than the sum of its proper divisors (58166500677726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38378389487010 is a wasteful number, since it uses less digits than its factorization.
38378389487010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48620.
The product of its (nonzero) digits is 195084288, while the sum is 69.
The spelling of 38378389487010 in words is "thirty-eight trillion, three hundred seventy-eight billion, three hundred eighty-nine million, four hundred eighty-seven thousand, ten".
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