Base | Representation |
---|---|
bin | 101101001000110001010… |
… | …100000101111011110001 |
3 | 101222112021100010222022101 |
4 | 231020301110011323301 |
5 | 401304433144112411 |
6 | 10332535552340401 |
7 | 440045224520614 |
oct | 55106124057361 |
9 | 11875240128271 |
10 | 3101793738481 |
11 | a9651077a079 |
12 | 421194544701 |
13 | 196661b49659 |
14 | aa1b028017b |
15 | 55a4119b8c1 |
hex | 2d231505ef1 |
3101793738481 has 9 divisors (see below), whose sum is σ = 3115249007691. Its totient is φ = 3088396358544.
The previous prime is 3101793738473. The next prime is 3101793738487. The reversal of 3101793738481 is 1848373971013.
The square root of 3101793738481 is 1761191.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2864078984881 + 237714753600 = 1692359^2 + 487560^2 .
It is not a de Polignac number, because 3101793738481 - 23 = 3101793738473 is a prime.
It is a super-2 number, since 2×31017937384812 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3101793738487) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 420920965 + ... + 420928333.
Almost surely, 23101793738481 is an apocalyptic number.
3101793738481 is the 1761191-st square number.
3101793738481 is the 880596-th centered octagonal number.
It is an amenable number.
3101793738481 is a deficient number, since it is larger than the sum of its proper divisors (13455269210).
3101793738481 is an frugal number, since it uses more digits than its factorization.
3101793738481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15216 (or 7608 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 55.
The spelling of 3101793738481 in words is "three trillion, one hundred one billion, seven hundred ninety-three million, seven hundred thirty-eight thousand, four hundred eighty-one".
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