Base | Representation |
---|---|
bin | 111111101000010… |
… | …0101011101001101 |
3 | 12111210110222200220 |
4 | 1333100211131031 |
5 | 13333033213112 |
6 | 551505341553 |
7 | 103623442455 |
oct | 17720453515 |
9 | 5453428626 |
10 | 2135054157 |
11 | 9a6200875 |
12 | 4b70378b9 |
13 | 280442472 |
14 | 1637b2d65 |
15 | c768d98c |
hex | 7f42574d |
2135054157 has 8 divisors (see below), whose sum is σ = 3014194176. Its totient is φ = 1339641792.
The previous prime is 2135054137. The next prime is 2135054161. The reversal of 2135054157 is 7514505312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2135054157 - 211 = 2135052109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2135054137) 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, 20931853 + ... + 20931954.
It is an arithmetic number, because the mean of its divisors is an integer number (376774272).
Almost surely, 22135054157 is an apocalyptic number.
It is an amenable number.
2135054157 is a deficient number, since it is larger than the sum of its proper divisors (879140019).
2135054157 is a wasteful number, since it uses less digits than its factorization.
2135054157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41863827.
The product of its (nonzero) digits is 21000, while the sum is 33.
The square root of 2135054157 is about 46206.6462427214. The cubic root of 2135054157 is about 1287.6652191529.
Adding to 2135054157 its reverse (7514505312), we get a palindrome (9649559469).
It can be divided in two parts, 2135054 and 157, that added together give a triangular number (2135211 = T2066).
The spelling of 2135054157 in words is "two billion, one hundred thirty-five million, fifty-four thousand, one hundred fifty-seven".
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