Base | Representation |
---|---|
bin | 1100011010100010001… |
… | …0100010110001111011 |
3 | 202101111220212122222200 |
4 | 3012220202202301323 |
5 | 11443244420301042 |
6 | 241551400321243 |
7 | 21260205541641 |
oct | 3065042426173 |
9 | 671456778880 |
10 | 213281025147 |
11 | 824a763aa43 |
12 | 35403473223 |
13 | 1715c9a7038 |
14 | a473cc1191 |
15 | 58343d7c4c |
hex | 31a88a2c7b |
213281025147 has 24 divisors (see below), whose sum is σ = 333051460560. Its totient is φ = 131063158080.
The previous prime is 213281025079. The next prime is 213281025149. The reversal of 213281025147 is 741520182312.
213281025147 is a `hidden beast` number, since 2 + 1 + 32 + 8 + 102 + 514 + 7 = 666.
It is not a de Polignac number, because 213281025147 - 231 = 211133541499 is a prime.
It is not an unprimeable number, because it can be changed into a prime (213281025149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16848504 + ... + 16861157.
It is an arithmetic number, because the mean of its divisors is an integer number (13877144190).
Almost surely, 2213281025147 is an apocalyptic number.
213281025147 is a deficient number, since it is larger than the sum of its proper divisors (119770435413).
213281025147 is a wasteful number, since it uses less digits than its factorization.
213281025147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33709723 (or 33709720 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 213281025147 in words is "two hundred thirteen billion, two hundred eighty-one million, twenty-five thousand, one hundred forty-seven".
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