Base | Representation |
---|---|
bin | 11010010110111111110… |
… | …11011011011100100000 |
3 | 10012120202210101121202110 |
4 | 31023133323123130200 |
5 | 104314333201431430 |
6 | 1532023422515320 |
7 | 122302043143335 |
oct | 15133773333440 |
9 | 3176683347673 |
10 | 905700030240 |
11 | 31a118067995 |
12 | 127645135b40 |
13 | 6753a667a75 |
14 | 31b9c42c98c |
15 | 1885cb5e7b0 |
hex | d2dfedb720 |
905700030240 has 96 divisors (see below), whose sum is σ = 2922539429376. Its totient is φ = 235629271040.
The previous prime is 905700030211. The next prime is 905700030241. The reversal of 905700030240 is 42030007509.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 905700030198 and 905700030207.
It is not an unprimeable number, because it can be changed into a prime (905700030241) 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, 22990992 + ... + 23030351.
It is an arithmetic number, because the mean of its divisors is an integer number (30443119056).
Almost surely, 2905700030240 is an apocalyptic number.
It is an amenable number.
905700030240 is an abundant number, since it is smaller than the sum of its proper divisors (2016839399136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
905700030240 is a wasteful number, since it uses less digits than its factorization.
905700030240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46021402 (or 46021394 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
Adding to 905700030240 its reverse (42030007509), we get a palindrome (947730037749).
The spelling of 905700030240 in words is "nine hundred five billion, seven hundred million, thirty thousand, two hundred forty".
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