Base | Representation |
---|---|
bin | 1000011101010010100… |
… | …1110001111110111001 |
3 | 111220001022200020222111 |
4 | 2013110221301332321 |
5 | 4340034210040233 |
6 | 150430050252321 |
7 | 13332465406000 |
oct | 2072451617671 |
9 | 456038606874 |
10 | 145301643193 |
11 | 56692a98143 |
12 | 241b12870a1 |
13 | 10918075585 |
14 | 70657adc37 |
15 | 3ba63adacd |
hex | 21d4a71fb9 |
145301643193 has 16 divisors (see below), whose sum is σ = 169480364800. Its totient is φ = 124520463648.
The previous prime is 145301643187. The next prime is 145301643217. The reversal of 145301643193 is 391346103541.
It is not a de Polignac number, because 145301643193 - 217 = 145301512121 is a prime.
It is a super-2 number, since 2×1453016431932 (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 (145301643103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891021 + ... + 1966357.
It is an arithmetic number, because the mean of its divisors is an integer number (10592522800).
Almost surely, 2145301643193 is an apocalyptic number.
It is an amenable number.
145301643193 is a deficient number, since it is larger than the sum of its proper divisors (24178721607).
145301643193 is an frugal number, since it uses more digits than its factorization.
145301643193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80981 (or 80967 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 40.
The spelling of 145301643193 in words is "one hundred forty-five billion, three hundred one million, six hundred forty-three thousand, one hundred ninety-three".
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