Base | Representation |
---|---|
bin | 1001110100011001010… |
… | …0000011000000100110 |
3 | 121010101211112210200222 |
4 | 2131012110003000212 |
5 | 10230430421303440 |
6 | 205254142204342 |
7 | 15121063054040 |
oct | 2350624030046 |
9 | 533354483628 |
10 | 168683384870 |
11 | 655a14117a0 |
12 | 288378836b2 |
13 | 12ba3252590 |
14 | 8242c6ca90 |
15 | 45c3e772b5 |
hex | 2746503026 |
168683384870 has 64 divisors (see below), whose sum is σ = 407671197696. Its totient is φ = 48532279680.
The previous prime is 168683384861. The next prime is 168683384873. The reversal of 168683384870 is 78483386861.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168683384873) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8415734 + ... + 8435753.
It is an arithmetic number, because the mean of its divisors is an integer number (6369862464).
Almost surely, 2168683384870 is an apocalyptic number.
168683384870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168683384870 is an abundant number, since it is smaller than the sum of its proper divisors (238987812826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168683384870 is a wasteful number, since it uses less digits than its factorization.
168683384870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16851525.
The product of its (nonzero) digits is 37158912, while the sum is 62.
The spelling of 168683384870 in words is "one hundred sixty-eight billion, six hundred eighty-three million, three hundred eighty-four thousand, eight hundred seventy".
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