Base | Representation |
---|---|
bin | 1000011101000001101… |
… | …1000000100111101000 |
3 | 111212212101010001020212 |
4 | 2013100123000213220 |
5 | 4334413022141440 |
6 | 150415033040252 |
7 | 13330644155045 |
oct | 2072033004750 |
9 | 455771101225 |
10 | 145230662120 |
11 | 56656a16aa5 |
12 | 24191556088 |
13 | 1090645233b |
14 | 705a1b41cc |
15 | 3ba003c465 |
hex | 21d06c09e8 |
145230662120 has 16 divisors (see below), whose sum is σ = 326768989860. Its totient is φ = 58092264832.
The previous prime is 145230662041. The next prime is 145230662123. The reversal of 145230662120 is 21266032541.
It can be written as a sum of positive squares in 2 ways, for example, as 140419575076 + 4811087044 = 374726^2 + 69362^2 .
It is not an unprimeable number, because it can be changed into a prime (145230662123) 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, 1815383237 + ... + 1815383316.
Almost surely, 2145230662120 is an apocalyptic number.
145230662120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145230662120 is an abundant number, since it is smaller than the sum of its proper divisors (181538327740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145230662120 is a wasteful number, since it uses less digits than its factorization.
145230662120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3630766564 (or 3630766560 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
Adding to 145230662120 its reverse (21266032541), we get a palindrome (166496694661).
The spelling of 145230662120 in words is "one hundred forty-five billion, two hundred thirty million, six hundred sixty-two thousand, one hundred twenty".
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