Base | Representation |
---|---|
bin | 10010000011001101… |
… | …10100100101010001 |
3 | 221000100122000221001 |
4 | 21001212310211101 |
5 | 124321300133411 |
6 | 4241331502001 |
7 | 462100000000 |
oct | 110146644521 |
9 | 27010560831 |
10 | 9690630481 |
11 | 4123121124 |
12 | 1a65457901 |
13 | bb588ba9c |
14 | 67d030c37 |
15 | 3bab4cdc1 |
hex | 2419b4951 |
9690630481 has 27 divisors (see below), whose sum is σ = 11588210523. Its totient is φ = 8103663120.
The previous prime is 9690630427. The next prime is 9690630487. The reversal of 9690630481 is 1840360969.
The square root of 9690630481 is 98441.
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., 466948881 + 9223681600 = 21609^2 + 96040^2 .
It is not a de Polignac number, because 9690630481 - 231 = 7543146833 is a prime.
It is a super-2 number, since 2×96906304812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9690630487) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 236356821 + ... + 236356861.
Almost surely, 29690630481 is an apocalyptic number.
9690630481 is the 98441-st square number.
9690630481 is the 49221-st centered octagonal number.
It is an amenable number.
9690630481 is a deficient number, since it is larger than the sum of its proper divisors (1897580042).
9690630481 is an frugal number, since it uses more digits than its factorization.
9690630481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138 (or 48 counting only the distinct ones).
The product of its (nonzero) digits is 279936, while the sum is 46.
The cubic root of 9690630481 is about 2131.9843440665.
The spelling of 9690630481 in words is "nine billion, six hundred ninety million, six hundred thirty thousand, four hundred eighty-one".
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