Search a number
-
+
208696882797 = 321319431131392
BaseRepresentation
bin1100001001011101001…
…1011011011001101101
3201221200110000002212200
43002113103123121231
511404402400222142
6235512442252113
721035463143304
oct3022723333155
9657613002780
10208696882797
1180564a49a47
12345441b7039
13168ac04c880
14a15b15143b
155666c2864c
hex30974db66d

208696882797 has 144 divisors (see below), whose sum is σ = 355323608640. Its totient is φ = 116940837888.

The previous prime is 208696882787. The next prime is 208696882819. The reversal of 208696882797 is 797288696802.

It is not a de Polignac number, because 208696882797 - 24 = 208696882781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208696882727) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1501416354 + ... + 1501416492.

It is an arithmetic number, because the mean of its divisors is an integer number (2467525060).

Almost surely, 2208696882797 is an apocalyptic number.

It is an amenable number.

208696882797 is a deficient number, since it is larger than the sum of its proper divisors (146626725843).

208696882797 is a wasteful number, since it uses less digits than its factorization.

208696882797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 208696882797 in words is "two hundred eight billion, six hundred ninety-six million, eight hundred eighty-two thousand, seven hundred ninety-seven".

Divisors: 1 3 9 13 19 39 43 57 113 117 129 139 171 247 339 387 417 559 741 817 1017 1251 1469 1677 1807 2147 2223 2451 2641 4407 4859 5031 5421 5977 6441 7353 7923 10621 13221 14577 15707 16263 17931 19321 19323 23769 27911 31863 34333 43731 47121 53793 57963 63167 77701 83733 92321 95589 102999 113563 141363 173889 189501 204191 233103 251173 251199 276963 298433 308997 340689 367099 568503 612573 675401 699309 753519 830803 830889 895299 1022067 1101297 1200173 1476319 1837719 2026203 2183273 2260557 2492409 2685897 3303891 3600519 3879629 4428957 4772287 6078609 6549819 7477227 8780213 10800439 10801557 11638887 12832619 13286871 14316861 15785257 19649457 26340639 28382549 32401317 34916661 38497857 41482187 42950583 47355771 79021917 85147647 93880739 97203951 115493571 124446561 142067313 166824047 205208341 255442941 281642217 373339683 500472141 539268431 615625023 844926651 1220449607 1501416423 1617805293 1783734041 1846875069 3661348821 4853415879 5351202123 10984046463 16053606369 23188542533 69565627599 208696882797