Base | Representation |
---|---|
bin | 1000110100001010100… |
… | …1011011100101101000 |
3 | 112110220020212100011200 |
4 | 2031002221123211220 |
5 | 4440123123400040 |
6 | 153323235524200 |
7 | 13640605603251 |
oct | 2150251334550 |
9 | 473806770150 |
10 | 151442012520 |
11 | 59254082537 |
12 | 25425759660 |
13 | 1138624a7c6 |
14 | 74890bbb28 |
15 | 3e154c2630 |
hex | 2342a5b968 |
151442012520 has 96 divisors (see below), whose sum is σ = 494736957000. Its totient is φ = 40175271936.
The previous prime is 151442012497. The next prime is 151442012581. The reversal of 151442012520 is 25210244151.
It is a happy number.
151442012520 is a `hidden beast` number, since 1 + 514 + 4 + 2 + 0 + 125 + 20 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 60065186724 + 91376825796 = 245082^2 + 302286^2 .
It is a super-2 number, since 2×1514420125202 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020345 + ... + 1159304.
Almost surely, 2151442012520 is an apocalyptic number.
151442012520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151442012520 is an abundant number, since it is smaller than the sum of its proper divisors (343294944480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151442012520 is a wasteful number, since it uses less digits than its factorization.
151442012520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2179859 (or 2179852 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
Adding to 151442012520 its reverse (25210244151), we get a palindrome (176652256671).
The spelling of 151442012520 in words is "one hundred fifty-one billion, four hundred forty-two million, twelve thousand, five hundred twenty".
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