Base | Representation |
---|---|
bin | 1110010010101011000… |
… | …0010101111001001010 |
3 | 212110202102212021021001 |
4 | 3210222300111321022 |
5 | 13010321243422110 |
6 | 304443425405214 |
7 | 23511321255130 |
oct | 3445260257112 |
9 | 773672767231 |
10 | 245530451530 |
11 | 951465a2341 |
12 | 3b70379980a |
13 | 1a1cc0b7a60 |
14 | bc52d91750 |
15 | 65c074363a |
hex | 392ac15e4a |
245530451530 has 32 divisors (see below), whose sum is σ = 543944386944. Its totient is φ = 77706340416.
The previous prime is 245530451503. The next prime is 245530451531. The reversal of 245530451530 is 35154035542.
It is a self number, because there is not a number n which added to its sum of digits gives 245530451530.
It is not an unprimeable number, because it can be changed into a prime (245530451531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134905932 + ... + 134907751.
It is an arithmetic number, because the mean of its divisors is an integer number (16998262092).
Almost surely, 2245530451530 is an apocalyptic number.
245530451530 is an abundant number, since it is smaller than the sum of its proper divisors (298413935414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245530451530 is a wasteful number, since it uses less digits than its factorization.
245530451530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269813710.
The product of its (nonzero) digits is 180000, while the sum is 37.
The spelling of 245530451530 in words is "two hundred forty-five billion, five hundred thirty million, four hundred fifty-one thousand, five hundred thirty".
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