Base | Representation |
---|---|
bin | 101000100101010100… |
… | …0010111100011010100 |
3 | 22022221201210222100002 |
4 | 1101022220113203110 |
5 | 2411441232122012 |
6 | 104011541510432 |
7 | 6203460015056 |
oct | 1211250274324 |
9 | 268851728302 |
10 | 87151442132 |
11 | 33a62798437 |
12 | 14a82a12418 |
13 | 82ab923191 |
14 | 430a8778d6 |
15 | 240124e7c2 |
hex | 144aa178d4 |
87151442132 has 12 divisors (see below), whose sum is σ = 156061885056. Its totient is φ = 42562332120.
The previous prime is 87151442129. The next prime is 87151442153. The reversal of 87151442132 is 23124415178.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253347044 + ... + 253347387.
It is an arithmetic number, because the mean of its divisors is an integer number (13005157088).
Almost surely, 287151442132 is an apocalyptic number.
It is an amenable number.
87151442132 is a deficient number, since it is larger than the sum of its proper divisors (68910442924).
87151442132 is a wasteful number, since it uses less digits than its factorization.
87151442132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506694478 (or 506694476 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The spelling of 87151442132 in words is "eighty-seven billion, one hundred fifty-one million, four hundred forty-two thousand, one hundred thirty-two".
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