Base | Representation |
---|---|
bin | 1100010010100111110… |
… | …0101000101111111111 |
3 | 202012000220110002020020 |
4 | 3010221330220233333 |
5 | 11424422213041121 |
6 | 241000530423223 |
7 | 21153446144046 |
oct | 3045174505777 |
9 | 665026402206 |
10 | 211157158911 |
11 | 81607790896 |
12 | 34b10131b13 |
13 | 16bb198105a |
14 | a311bc155d |
15 | 575cc091c6 |
hex | 3129f28bff |
211157158911 has 8 divisors (see below), whose sum is σ = 281547936000. Its totient is φ = 140768910552.
The previous prime is 211157158873. The next prime is 211157158913. The reversal of 211157158911 is 119851751112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 211157158911 - 213 = 211157150719 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211157158913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427911 + ... + 778088.
It is an arithmetic number, because the mean of its divisors is an integer number (35193492000).
Almost surely, 2211157158911 is an apocalyptic number.
211157158911 is a deficient number, since it is larger than the sum of its proper divisors (70390777089).
211157158911 is a wasteful number, since it uses less digits than its factorization.
211157158911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1264365.
The product of its digits is 25200, while the sum is 42.
The spelling of 211157158911 in words is "two hundred eleven billion, one hundred fifty-seven million, one hundred fifty-eight thousand, nine hundred eleven".
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