Base | Representation |
---|---|
bin | 1110010001100100101… |
… | …0011110111001000000 |
3 | 212102222212111202000022 |
4 | 3210121022132321000 |
5 | 13004220220023430 |
6 | 304354243513012 |
7 | 23501105530430 |
oct | 3443112367100 |
9 | 772885452008 |
10 | 245235314240 |
11 | 95004a3a324 |
12 | 3b640988768 |
13 | 1a182c003c7 |
14 | bc25ac62c0 |
15 | 65a48954e5 |
hex | 391929ee40 |
245235314240 has 112 divisors (see below), whose sum is σ = 706648758912. Its totient is φ = 79134744576.
The previous prime is 245235314239. The next prime is 245235314273. The reversal of 245235314240 is 42413532542.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 245235314240.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181922 + ... + 3258081.
Almost surely, 2245235314240 is an apocalyptic number.
245235314240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245235314240 is an abundant number, since it is smaller than the sum of its proper divisors (461413444672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245235314240 is a wasteful number, since it uses less digits than its factorization.
245235314240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6440044 (or 6440034 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 35.
Adding to 245235314240 its reverse (42413532542), we get a palindrome (287648846782).
The spelling of 245235314240 in words is "two hundred forty-five billion, two hundred thirty-five million, three hundred fourteen thousand, two hundred forty".
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