Base | Representation |
---|---|
bin | 1110010100111001000… |
… | …01010011101001000010 |
3 | 1202001120220110011102112 |
4 | 13022130201103221002 |
5 | 31031113033424032 |
6 | 1014045414015322 |
7 | 50364320035100 |
oct | 7123441235102 |
9 | 1661526404375 |
10 | 492252248642 |
11 | 17a84361a200 |
12 | 7b49a347542 |
13 | 3755ac56a0b |
14 | 19b7a25cc70 |
15 | cc108631b2 |
hex | 729c853a42 |
492252248642 has 162 divisors, whose sum is σ = 1005569168121. Its totient is φ = 180028759680.
The previous prime is 492252248641. The next prime is 492252248647. The reversal of 492252248642 is 246842252294.
It can be written as a sum of positive squares in 2 ways, for example, as 450521521681 + 41730726961 = 671209^2 + 204281^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=496111.
It is not an unprimeable number, because it can be changed into a prime (492252248641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1298818409 + ... + 1298818787.
Almost surely, 2492252248642 is an apocalyptic number.
492252248642 is an abundant number, since it is smaller than the sum of its proper divisors (513316919479).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
492252248642 is a wasteful number, since it uses less digits than its factorization.
492252248642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830 (or 416 counting only the distinct ones).
The product of its digits is 4423680, while the sum is 50.
Multiplying 492252248642 by its sum of digits (50), we get a square (24612612432100 = 49611102).
The spelling of 492252248642 in words is "four hundred ninety-two billion, two hundred fifty-two million, two hundred forty-eight thousand, six hundred forty-two".
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