Base | Representation |
---|---|
bin | 101101100110100010… |
… | …1111100001010111001 |
3 | 100100202220212221010002 |
4 | 1123031011330022321 |
5 | 3101030110320334 |
6 | 112553303202345 |
7 | 10034541453605 |
oct | 1331505741271 |
9 | 310686787102 |
10 | 97930166969 |
11 | 38594031998 |
12 | 16b907463b5 |
13 | 9308a5487b |
14 | 4a501c8505 |
15 | 2832680b7e |
hex | 16cd17c2b9 |
97930166969 has 8 divisors (see below), whose sum is σ = 104447634408. Its totient is φ = 91496796160.
The previous prime is 97930166959. The next prime is 97930166977. The reversal of 97930166969 is 96966103979.
It can be written as a sum of positive squares in 4 ways, for example, as 44011004944 + 53919162025 = 209788^2 + 232205^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 97930166969 - 216 = 97930101433 is a prime.
It is a super-2 number, since 2×979301669692 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (97930166959) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21021752 + ... + 21026409.
It is an arithmetic number, because the mean of its divisors is an integer number (13055954301).
Almost surely, 297930166969 is an apocalyptic number.
It is an amenable number.
97930166969 is a deficient number, since it is larger than the sum of its proper divisors (6517467439).
97930166969 is a wasteful number, since it uses less digits than its factorization.
97930166969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42048315.
The product of its (nonzero) digits is 29760696, while the sum is 65.
The spelling of 97930166969 in words is "ninety-seven billion, nine hundred thirty million, one hundred sixty-six thousand, nine hundred sixty-nine".
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