Base | Representation |
---|---|
bin | 1001001111110101000… |
… | …1010100111001101001 |
3 | 120012001210011121102101 |
4 | 2103331101110321221 |
5 | 10100330202002421 |
6 | 200552152333401 |
7 | 14322616502500 |
oct | 2237521247151 |
9 | 505053147371 |
10 | 158868000361 |
11 | 61414932074 |
12 | 269586a4261 |
13 | 11c9a893a55 |
14 | 7991445837 |
15 | 41ec3d5191 |
hex | 24fd454e69 |
158868000361 has 48 divisors (see below), whose sum is σ = 192555411840. Its totient is φ = 130533742080.
The previous prime is 158868000359. The next prime is 158868000371. The reversal of 158868000361 is 163000868851.
It is not a de Polignac number, because 158868000361 - 21 = 158868000359 is a prime.
It is a super-2 number, since 2×1588680003612 (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 (158868000331) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179106660 + ... + 179107546.
It is an arithmetic number, because the mean of its divisors is an integer number (4011571080).
Almost surely, 2158868000361 is an apocalyptic number.
158868000361 is the 252086-th heptagonal number.
It is an amenable number.
158868000361 is a deficient number, since it is larger than the sum of its proper divisors (33687411479).
158868000361 is a wasteful number, since it uses less digits than its factorization.
158868000361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1694 (or 1687 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 46.
The spelling of 158868000361 in words is "one hundred fifty-eight billion, eight hundred sixty-eight million, three hundred sixty-one", and thus it is an aban number.
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