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203680636341 = 371313917413083
BaseRepresentation
bin1011110110110001001…
…1111101110110110101
3201110201212001101100220
42331230103331312311
511314114220330331
6233323010524553
720500252562130
oct2755423756665
9643655041326
10203680636341
1179420455816
1233584296759
131628ca231c0
149c02c61217
155471663296
hex2f6c4fddb5

203680636341 has 64 divisors (see below), whose sum is σ = 336952412160. Its totient is φ = 106567176960.

The previous prime is 203680636307. The next prime is 203680636373. The reversal of 203680636341 is 143636086302.

It is not a de Polignac number, because 203680636341 - 210 = 203680635317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203680636293 and 203680636302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203680636541) 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, 66064186 + ... + 66067268.

It is an arithmetic number, because the mean of its divisors is an integer number (5264881440).

Almost surely, 2203680636341 is an apocalyptic number.

203680636341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203680636341 is a deficient number, since it is larger than the sum of its proper divisors (133271775819).

203680636341 is a wasteful number, since it uses less digits than its factorization.

203680636341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 203680636341 in words is "two hundred three billion, six hundred eighty million, six hundred thirty-six thousand, three hundred forty-one".

Divisors: 1 3 7 13 21 39 91 139 273 417 973 1741 1807 2919 3083 5223 5421 9249 12187 12649 21581 22633 36561 37947 40079 64743 67899 120237 158431 241999 280553 428537 475293 725997 841659 1285611 1693993 2999759 3145987 5081979 5367503 5570981 8999277 9437961 16102509 16712943 22021909 37572521 38996867 66065727 69777539 112717563 116990601 209332617 488442773 746082917 1465328319 2238248751 5222580419 9699077921 15667741257 29097233763 67893545447 203680636341