Base | Representation |
---|---|
bin | 11011010100010101100… |
… | …00110110010011101101 |
3 | 10022201202210200202002020 |
4 | 31222022300312103231 |
5 | 110334304004303233 |
6 | 1555111234220353 |
7 | 124546102164360 |
oct | 15521260662355 |
9 | 3281683622066 |
10 | 938630931693 |
11 | 332086766624 |
12 | 131ab57246b9 |
13 | 6a687cccc80 |
14 | 33603c140d7 |
15 | 19638c2d9b3 |
hex | da8ac364ed |
938630931693 has 16 divisors (see below), whose sum is σ = 1540317426816. Its totient is φ = 495102029760.
The previous prime is 938630931647. The next prime is 938630931709. The reversal of 938630931693 is 396139036839.
It is not a de Polignac number, because 938630931693 - 217 = 938630800621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (938630931643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719103998 + ... + 1719104543.
It is an arithmetic number, because the mean of its divisors is an integer number (96269839176).
Almost surely, 2938630931693 is an apocalyptic number.
It is an amenable number.
938630931693 is a deficient number, since it is larger than the sum of its proper divisors (601686495123).
938630931693 is a wasteful number, since it uses less digits than its factorization.
938630931693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3438208564.
The product of its (nonzero) digits is 17006112, while the sum is 60.
The spelling of 938630931693 in words is "nine hundred thirty-eight billion, six hundred thirty million, nine hundred thirty-one thousand, six hundred ninety-three".
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