Base | Representation |
---|---|
bin | 1011110001010000100… |
… | …1001111110001101000 |
3 | 201022220202122222022020 |
4 | 2330110021033301220 |
5 | 11303102031244034 |
6 | 232520130224440 |
7 | 20415511543416 |
oct | 2742411176150 |
9 | 638822588266 |
10 | 202201431144 |
11 | 78831488a89 |
12 | 33230a25120 |
13 | 160b543205b |
14 | 9b026122b6 |
15 | 53d6875249 |
hex | 2f1424fc68 |
202201431144 has 64 divisors (see below), whose sum is σ = 535287191040. Its totient is φ = 63430041600.
The previous prime is 202201431139. The next prime is 202201431149. The reversal of 202201431144 is 441134102202.
It is an interprime number because it is at equal distance from previous prime (202201431139) and next prime (202201431149).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (202201431149) 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, 8801737 + ... + 8824679.
It is an arithmetic number, because the mean of its divisors is an integer number (8363862360).
Almost surely, 2202201431144 is an apocalyptic number.
202201431144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
202201431144 is an abundant number, since it is smaller than the sum of its proper divisors (333085759896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202201431144 is a wasteful number, since it uses less digits than its factorization.
202201431144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44570 (or 44566 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
Adding to 202201431144 its reverse (441134102202), we get a palindrome (643335533346).
The spelling of 202201431144 in words is "two hundred two billion, two hundred one million, four hundred thirty-one thousand, one hundred forty-four".
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