Base | Representation |
---|---|
bin | 1011101110101110011… |
… | …0001100100001010110 |
3 | 201021011100121022200102 |
4 | 2323223212030201112 |
5 | 11300203403413014 |
6 | 232324425414102 |
7 | 20362611355466 |
oct | 2735346144126 |
9 | 637140538612 |
10 | 201521154134 |
11 | 7851248a883 |
12 | 3308103a332 |
13 | 16007509c91 |
14 | 9a7a12dba6 |
15 | 5396c9b8de |
hex | 2eeb98c856 |
201521154134 has 8 divisors (see below), whose sum is σ = 302286967848. Its totient is φ = 100758831520.
The previous prime is 201521154113. The next prime is 201521154217. The reversal of 201521154134 is 431451125102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×2015211541342 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 201521154097 and 201521154106.
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, 723347 + ... + 962430.
It is an arithmetic number, because the mean of its divisors is an integer number (37785870981).
Almost surely, 2201521154134 is an apocalyptic number.
201521154134 is a deficient number, since it is larger than the sum of its proper divisors (100765813714).
201521154134 is a wasteful number, since it uses less digits than its factorization.
201521154134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1745550.
The product of its (nonzero) digits is 4800, while the sum is 29.
Adding to 201521154134 its reverse (431451125102), we get a palindrome (632972279236).
The spelling of 201521154134 in words is "two hundred one billion, five hundred twenty-one million, one hundred fifty-four thousand, one hundred thirty-four".
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