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202201431144 = 233172160122943
BaseRepresentation
bin1011110001010000100…
…1001111110001101000
3201022220202122222022020
42330110021033301220
511303102031244034
6232520130224440
720415511543416
oct2742411176150
9638822588266
10202201431144
1178831488a89
1233230a25120
13160b543205b
149b026122b6
1553d6875249
hex2f1424fc68

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".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 21601 22943 43202 45886 64803 68829 86404 91772 129606 137658 172808 183544 259212 275316 367217 390031 518424 550632 734434 780062 1101651 1170093 1468868 1560124 2203302 2340186 2937736 3120248 4406604 4680372 8813208 9360744 495591743 991183486 1486775229 1982366972 2973550458 3964733944 5947100916 8425059631 11894201832 16850119262 25275178893 33700238524 50550357786 67400477048 101100715572 202201431144