Base | Representation |
---|---|
bin | 1011110010000101001… |
… | …1100100110010001000 |
3 | 201100111011011100110101 |
4 | 2330201103210302020 |
5 | 11304030043224230 |
6 | 232554055055144 |
7 | 20424132446215 |
oct | 2744123446210 |
9 | 640434140411 |
10 | 202422242440 |
11 | 78935095860 |
12 | 332929714b4 |
13 | 1611c0c4b22 |
14 | 9b23a90b0c |
15 | 53eae40aca |
hex | 2f214e4c88 |
202422242440 has 64 divisors (see below), whose sum is σ = 497259544320. Its totient is φ = 73548096000.
The previous prime is 202422242411. The next prime is 202422242459. The reversal of 202422242440 is 44242224202.
It is a junction number, because it is equal to n+sod(n) for n = 202422242399 and 202422242408.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354780 + ... + 728500.
It is an arithmetic number, because the mean of its divisors is an integer number (7769680380).
Almost surely, 2202422242440 is an apocalyptic number.
202422242440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202422242440 is an abundant number, since it is smaller than the sum of its proper divisors (294837301880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202422242440 is a wasteful number, since it uses less digits than its factorization.
202422242440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374974 (or 374970 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 28.
Adding to 202422242440 its reverse (44242224202), we get a palindrome (246664466642).
The spelling of 202422242440 in words is "two hundred two billion, four hundred twenty-two million, two hundred forty-two thousand, four hundred forty".
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