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204424101231 = 3729463724993
BaseRepresentation
bin1011111001100010100…
…0000011110101101111
3201112122200000022110120
42332120220003311233
511322130032214411
6233524445540023
720524551122220
oct2763050036557
9645580008416
10204424101231
1179772091a09
1233751274613
131637aa7025c
149c738b1247
1554b6a6e106
hex2f98a03d6f

204424101231 has 32 divisors (see below), whose sum is σ = 322941327360. Its totient is φ = 112541958144.

The previous prime is 204424101209. The next prime is 204424101241. The reversal of 204424101231 is 132101424402.

It is not a de Polignac number, because 204424101231 - 217 = 204423970159 is a prime.

It is a super-2 number, since 2×2044241012312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204424101241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80530 + ... + 644463.

It is an arithmetic number, because the mean of its divisors is an integer number (10091916480).

Almost surely, 2204424101231 is an apocalyptic number.

204424101231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204424101231 is a deficient number, since it is larger than the sum of its proper divisors (118517226129).

204424101231 is a wasteful number, since it uses less digits than its factorization.

204424101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725495.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 204424101231 its reverse (132101424402), we get a palindrome (336525525633).

The spelling of 204424101231 in words is "two hundred four billion, four hundred twenty-four million, one hundred one thousand, two hundred thirty-one".

Divisors: 1 3 7 21 29 87 203 463 609 1389 3241 9723 13427 40281 93989 281967 724993 2174979 5074951 15224853 21024797 63074391 147173579 335671759 441520737 1007015277 2349702313 7049106939 9734481011 29203443033 68141367077 204424101231