Base | Representation |
---|---|
bin | 1101000101000001111100… |
… | …10110101110000100101010 |
3 | 10202211102222002211110212012 |
4 | 12202200332112232010222 |
5 | 12232201240133013130 |
6 | 141100121301515522 |
7 | 6025565154202313 |
oct | 642407626560452 |
9 | 122742862743765 |
10 | 28760147157290 |
11 | 918912332741a |
12 | 3285aab112ba2 |
13 | 13080bb417013 |
14 | 715dda03d60a |
15 | 34d1b64c3995 |
hex | 1a283e5ae12a |
28760147157290 has 16 divisors (see below), whose sum is σ = 52645693102560. Its totient is φ = 11309074814160.
The previous prime is 28760147157271. The next prime is 28760147157299. The reversal of 28760147157290 is 9275174106782.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (59).
It is not an unprimeable number, because it can be changed into a prime (28760147157299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24373005476 + ... + 24373006655.
It is an arithmetic number, because the mean of its divisors is an integer number (3290355818910).
Almost surely, 228760147157290 is an apocalyptic number.
28760147157290 is a deficient number, since it is larger than the sum of its proper divisors (23885545945270).
28760147157290 is a wasteful number, since it uses less digits than its factorization.
28760147157290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48746012197.
The product of its (nonzero) digits is 11854080, while the sum is 59.
The spelling of 28760147157290 in words is "twenty-eight trillion, seven hundred sixty billion, one hundred forty-seven million, one hundred fifty-seven thousand, two hundred ninety".
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