Base | Representation |
---|---|
bin | 10011101000001111… |
… | …011000100101010111 |
3 | 2000101211121201021012 |
4 | 103220033120211113 |
5 | 321131002404101 |
6 | 13403212242435 |
7 | 1344200611214 |
oct | 235017304527 |
9 | 60354551235 |
10 | 21076216151 |
11 | 8a35a7a161 |
12 | 410247041b |
13 | 1cab64bb23 |
14 | 103d1d2b0b |
15 | 8354a4bbb |
hex | 4e83d8957 |
21076216151 has 8 divisors (see below), whose sum is σ = 21146658000. Its totient is φ = 21005853120.
The previous prime is 21076216103. The next prime is 21076216159. The reversal of 21076216151 is 15161267012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21076216151 - 218 = 21075954007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21076216159) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542525 + ... + 580073.
It is an arithmetic number, because the mean of its divisors is an integer number (2643332250).
Almost surely, 221076216151 is an apocalyptic number.
21076216151 is a deficient number, since it is larger than the sum of its proper divisors (70441849).
21076216151 is a wasteful number, since it uses less digits than its factorization.
21076216151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39409.
The product of its (nonzero) digits is 5040, while the sum is 32.
The spelling of 21076216151 in words is "twenty-one billion, seventy-six million, two hundred sixteen thousand, one hundred fifty-one".
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