Base | Representation |
---|---|
bin | 1000100001011111101… |
… | …1111010011101100011 |
3 | 111222221222202121020021 |
4 | 2020113323322131203 |
5 | 4344342200014422 |
6 | 151134053054311 |
7 | 13402453313134 |
oct | 2102773723543 |
9 | 458858677207 |
10 | 146430469987 |
11 | 5711220144a |
12 | 24467327397 |
13 | 10a67baa219 |
14 | 7131693c8b |
15 | 3c2053adc7 |
hex | 2217efa763 |
146430469987 has 4 divisors (see below), whose sum is σ = 148284020320. Its totient is φ = 144576919656.
The previous prime is 146430469973. The next prime is 146430469993. The reversal of 146430469987 is 789964034641.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789964034641 = 793633 ⋅995377.
It is a cyclic number.
It is not a de Polignac number, because 146430469987 - 27 = 146430469859 is a prime.
It is a super-2 number, since 2×1464304699872 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (146430461987) 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, 926775048 + ... + 926775205.
It is an arithmetic number, because the mean of its divisors is an integer number (37071005080).
Almost surely, 2146430469987 is an apocalyptic number.
146430469987 is a deficient number, since it is larger than the sum of its proper divisors (1853550333).
146430469987 is an equidigital number, since it uses as much as digits as its factorization.
146430469987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1853550332.
The product of its (nonzero) digits is 31352832, while the sum is 61.
The spelling of 146430469987 in words is "one hundred forty-six billion, four hundred thirty million, four hundred sixty-nine thousand, nine hundred eighty-seven".
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