Base | Representation |
---|---|
bin | 100011110010000000… |
… | …100001011111111111 |
3 | 10200011112221021122012 |
4 | 203302000201133333 |
5 | 1112141002234410 |
6 | 25352213041435 |
7 | 2530040200412 |
oct | 436200413777 |
9 | 120145837565 |
10 | 38419961855 |
11 | 15326080aa0 |
12 | 754292627b |
13 | 3813918752 |
14 | 1c067d1b79 |
15 | eece2c605 |
hex | 8f20217ff |
38419961855 has 32 divisors (see below), whose sum is σ = 51665948928. Its totient is φ = 27185356800.
The previous prime is 38419961851. The next prime is 38419961861. The reversal of 38419961855 is 55816991483.
It is not a de Polignac number, because 38419961855 - 22 = 38419961851 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38419961794 and 38419961803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38419961851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576200 + ... + 639410.
It is an arithmetic number, because the mean of its divisors is an integer number (1614560904).
Almost surely, 238419961855 is an apocalyptic number.
38419961855 is a deficient number, since it is larger than the sum of its proper divisors (13245987073).
38419961855 is a wasteful number, since it uses less digits than its factorization.
38419961855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63527.
The product of its digits is 9331200, while the sum is 59.
The spelling of 38419961855 in words is "thirty-eight billion, four hundred nineteen million, nine hundred sixty-one thousand, eight hundred fifty-five".
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