Base | Representation |
---|---|
bin | 100100101010100… |
… | …0011010110110110 |
3 | 10011201221110100002 |
4 | 1021111003112312 |
5 | 10004421134132 |
6 | 322024351302 |
7 | 42325666565 |
oct | 11125032666 |
9 | 3151843302 |
10 | 1230255542 |
11 | 5814a121a |
12 | 2a4015532 |
13 | 167b58879 |
14 | b9567bdc |
15 | 73015262 |
hex | 495435b6 |
1230255542 has 8 divisors (see below), whose sum is σ = 1888299336. Its totient is φ = 600822432.
The previous prime is 1230255539. The next prime is 1230255547. The reversal of 1230255542 is 2455520321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×12302555423 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230255547) 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, 7152563 + ... + 7152734.
It is an arithmetic number, because the mean of its divisors is an integer number (236037417).
Almost surely, 21230255542 is an apocalyptic number.
1230255542 is a deficient number, since it is larger than the sum of its proper divisors (658043794).
1230255542 is a wasteful number, since it uses less digits than its factorization.
1230255542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14305342.
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 1230255542 is about 35074.9988168211. The cubic root of 1230255542 is about 1071.5154646192.
Adding to 1230255542 its reverse (2455520321), we get a palindrome (3685775863).
The spelling of 1230255542 in words is "one billion, two hundred thirty million, two hundred fifty-five thousand, five hundred forty-two".
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