Base | Representation |
---|---|
bin | 1000011101110000101… |
… | …0010110000100011000 |
3 | 111220101002201112211121 |
4 | 2013130022112010120 |
5 | 4340313432320440 |
6 | 150450350335024 |
7 | 13335555242446 |
oct | 2073412260430 |
9 | 456332645747 |
10 | 145427620120 |
11 | 56748111502 |
12 | 242274ba474 |
13 | 109381b2b33 |
14 | 7078403b96 |
15 | 3bb249534a |
hex | 21dc296118 |
145427620120 has 32 divisors (see below), whose sum is σ = 327260113920. Its totient is φ = 58162520320.
The previous prime is 145427620099. The next prime is 145427620123. The reversal of 145427620120 is 21026724541.
It is a super-2 number, since 2×1454276201202 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145427620123) 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, 13404 + ... + 539476.
It is an arithmetic number, because the mean of its divisors is an integer number (10226878560).
Almost surely, 2145427620120 is an apocalyptic number.
145427620120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145427620120 is an abundant number, since it is smaller than the sum of its proper divisors (181832493800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145427620120 is a wasteful number, since it uses less digits than its factorization.
145427620120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532995 (or 532991 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The spelling of 145427620120 in words is "one hundred forty-five billion, four hundred twenty-seven million, six hundred twenty thousand, one hundred twenty".
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