Base | Representation |
---|---|
bin | 100100101010001… |
… | …1101110000100110 |
3 | 10011201122122002101 |
4 | 1021110131300212 |
5 | 10004401222132 |
6 | 322021202314 |
7 | 42324455605 |
oct | 11124356046 |
9 | 3151578071 |
10 | 1230101542 |
11 | 5813a654a |
12 | 2a3b6039a |
13 | 167b03747 |
14 | b9527a3c |
15 | 72ed47e7 |
hex | 4951dc26 |
1230101542 has 8 divisors (see below), whose sum is σ = 1847671776. Its totient is φ = 614210952.
The previous prime is 1230101527. The next prime is 1230101549. The reversal of 1230101542 is 2451010321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230101549) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418078 + ... + 421009.
It is an arithmetic number, because the mean of its divisors is an integer number (230958972).
Almost surely, 21230101542 is an apocalyptic number.
1230101542 is a deficient number, since it is larger than the sum of its proper divisors (617570234).
1230101542 is an equidigital number, since it uses as much as digits as its factorization.
1230101542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 839822.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 1230101542 is about 35072.8034522477. The cubic root of 1230101542 is about 1071.4707529687.
Adding to 1230101542 its reverse (2451010321), we get a palindrome (3681111863).
The spelling of 1230101542 in words is "one billion, two hundred thirty million, one hundred one thousand, five hundred forty-two".
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