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202400200197 = 33133749131741
BaseRepresentation
bin1011110001111111111…
…1011111011000000101
3201100102121200111012000
42330133333133120011
511304003422401242
6232551550415513
720423444213136
oct2743777373005
9640377614160
10202400200197
1178923700128
1233287501599
1316117677c90
149b20b93c8d
1553e9039a4c
hex2f1ffdf605

202400200197 has 64 divisors (see below), whose sum is σ = 332331121920. Its totient is φ = 120937017600.

The previous prime is 202400200141. The next prime is 202400200213. The reversal of 202400200197 is 791002004202.

It is not a de Polignac number, because 202400200197 - 26 = 202400200133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 202400200197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202400200117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6360747 + ... + 6392487.

It is an arithmetic number, because the mean of its divisors is an integer number (5192673780).

Almost surely, 2202400200197 is an apocalyptic number.

202400200197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

202400200197 is a deficient number, since it is larger than the sum of its proper divisors (129930921723).

202400200197 is a wasteful number, since it uses less digits than its factorization.

202400200197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32291 (or 32285 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 202400200197 its reverse (791002004202), we get a palindrome (993402204399).

The spelling of 202400200197 in words is "two hundred two billion, four hundred million, two hundred thousand, one hundred ninety-seven".

Divisors: 1 3 9 13 27 37 39 111 117 333 351 481 491 999 1443 1473 4329 4419 6383 12987 13257 18167 19149 31741 54501 57447 95223 163503 172341 236171 285669 412633 490509 708513 857007 1174417 1237899 2125539 3523251 3713697 6376617 10569753 11141091 15267421 15584831 31709259 45802263 46754493 137406789 140263479 202602803 412220367 420790437 576638747 607808409 1729916241 1823425227 5189748723 5470275681 7496303711 15569246169 22488911133 67466733399 202400200197