Base | Representation |
---|---|
bin | 11100111001001001101… |
… | …00011011100101101001 |
3 | 10111220110210222220120201 |
4 | 32130210310123211221 |
5 | 112231130310412031 |
6 | 2040022044352201 |
7 | 131503253465434 |
oct | 16344464334551 |
9 | 3456423886521 |
10 | 992755169641 |
11 | 353030459694 |
12 | 14049b845661 |
13 | 72802340281 |
14 | 3609a19881b |
15 | 1ac556d9d61 |
hex | e724d1b969 |
992755169641 has 9 divisors (see below), whose sum is σ = 1025844490839. Its totient is φ = 960700918200.
The previous prime is 992755169591. The next prime is 992755169663. The reversal of 992755169641 is 146961557299.
The square root of 992755169641 is 996371.
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., 980438609241 + 12316560400 = 990171^2 + 110980^2 .
It is not a de Polignac number, because 992755169641 - 215 = 992755136873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (992755169041) 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, 30871431 + ... + 30903571.
Almost surely, 2992755169641 is an apocalyptic number.
992755169641 is the 996371-st square number.
992755169641 is the 498186-th centered octagonal number.
It is an amenable number.
992755169641 is a deficient number, since it is larger than the sum of its proper divisors (33089321198).
992755169641 is an frugal number, since it uses more digits than its factorization.
992755169641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64344 (or 32172 counting only the distinct ones).
The product of its digits is 36741600, while the sum is 64.
Multiplying 992755169641 by its sum of digits (64), we get a square (63536330857024 = 79709682).
The spelling of 992755169641 in words is "nine hundred ninety-two billion, seven hundred fifty-five million, one hundred sixty-nine thousand, six hundred forty-one".
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