Base | Representation |
---|---|
bin | 11100010010110110001… |
… | …01010101001001011101 |
3 | 10102221101122101021200020 |
4 | 32021123011111021131 |
5 | 111412021311423033 |
6 | 2022341313222353 |
7 | 130144535611362 |
oct | 16113305251135 |
9 | 3387348337606 |
10 | 972190732893 |
11 | 345338361a16 |
12 | 1385008619b9 |
13 | 708a5a3bcc3 |
14 | 350a8d46469 |
15 | 1a4501286b3 |
hex | e25b15525d |
972190732893 has 16 divisors (see below), whose sum is σ = 1302320222400. Its totient is φ = 645095759616.
The previous prime is 972190732889. The next prime is 972190732951. The reversal of 972190732893 is 398237091279.
972190732893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 972190732893 - 22 = 972190732889 is a prime.
It is a super-2 number, since 2×9721907328932 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (972190532893) 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, 2324583 + ... + 2710731.
It is an arithmetic number, because the mean of its divisors is an integer number (81395013900).
Almost surely, 2972190732893 is an apocalyptic number.
It is an amenable number.
972190732893 is a deficient number, since it is larger than the sum of its proper divisors (330129489507).
972190732893 is a wasteful number, since it uses less digits than its factorization.
972190732893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390076.
The product of its (nonzero) digits is 10287648, while the sum is 60.
The spelling of 972190732893 in words is "nine hundred seventy-two billion, one hundred ninety million, seven hundred thirty-two thousand, eight hundred ninety-three".
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