Base | Representation |
---|---|
bin | 11010110010100111010… |
… | …11111101000010100001 |
3 | 10021000001010000101010121 |
4 | 31121103223331002201 |
5 | 110040214410014411 |
6 | 1542515001000241 |
7 | 123335342450200 |
oct | 15312353750241 |
9 | 3230033011117 |
10 | 920527032481 |
11 | 32543656a151 |
12 | 12a4a2783081 |
13 | 68a613c2184 |
14 | 327a769d237 |
15 | 18e296a0571 |
hex | d653afd0a1 |
920527032481 has 27 divisors (see below), whose sum is σ = 1097900081523. Its totient is φ = 769548437280.
The previous prime is 920527032449. The next prime is 920527032517. The reversal of 920527032481 is 184230725029.
The square root of 920527032481 is 959441.
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., 44356150881 + 876170881600 = 210609^2 + 936040^2 .
It is not a de Polignac number, because 920527032481 - 25 = 920527032449 is a prime.
It is a super-2 number, since 2×9205270324812 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (920527032421) 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, 275357896 + ... + 275361238.
Almost surely, 2920527032481 is an apocalyptic number.
920527032481 is the 959441-st square number.
920527032481 is the 479721-st centered octagonal number.
It is an amenable number.
920527032481 is a deficient number, since it is larger than the sum of its proper divisors (177373049042).
920527032481 is an frugal number, since it uses more digits than its factorization.
920527032481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6782 (or 3391 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 920527032481 in words is "nine hundred twenty billion, five hundred twenty-seven million, thirty-two thousand, four hundred eighty-one".
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