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3720686372271 = 33113314217933
BaseRepresentation
bin110110001001001010001…
…100001000010110101111
3111011200202000211021012000
4312021022030020112233
5441424431202403041
611525132033343343
7532545035226621
oct66111214102657
914150660737160
103720686372271
111204a30506000
12501116407b53
1320cb22921cbb
14cc121710c11
1566bb4946bb6
hex3624a3085af

3720686372271 has 128 divisors (see below), whose sum is σ = 6274161500160. Its totient is φ = 2176762896000.

The previous prime is 3720686372269. The next prime is 3720686372281. The reversal of 3720686372271 is 1722736860273.

It is not a de Polignac number, because 3720686372271 - 21 = 3720686372269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720686372231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 469009821 + ... + 469017753.

It is an arithmetic number, because the mean of its divisors is an integer number (49016886720).

Almost surely, 23720686372271 is an apocalyptic number.

3720686372271 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3720686372271 is a deficient number, since it is larger than the sum of its proper divisors (2553475127889).

3720686372271 is a wasteful number, since it uses less digits than its factorization.

3720686372271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 3720686372271 in words is "three trillion, seven hundred twenty billion, six hundred eighty-six million, three hundred seventy-two thousand, two hundred seventy-one".

Divisors: 1 3 9 11 27 31 33 93 99 121 279 297 341 363 421 837 1023 1089 1263 1331 3069 3267 3751 3789 3993 4631 7933 9207 11253 11367 11979 13051 13893 23799 33759 35937 39153 41261 41679 50941 71397 87263 101277 117459 123783 125037 143561 152823 214191 245923 261789 352377 371349 430683 458469 560351 737769 785367 959893 1114047 1292049 1375407 1579171 1681053 2213307 2356101 2705153 2879679 3339793 3876147 4737513 5043159 6639921 8115459 8639037 10019379 10558823 14212539 15129477 17370881 24346377 25917111 29756683 30058137 31676469 36737723 42637617 52112643 73039131 89270049 90174411 95029407 103533583 110213169 156337929 267810147 285088221 310600749 327323513 330639507 404114953 469013787 803430441 931802247 981970539 991918521 1138869413 1212344859 2795406741 2945911617 3416608239 3637034577 4445264483 8837734851 10249824717 10911103731 12527563543 13335793449 30749474151 37582690629 40007380347 112748071887 120022141041 137803198973 338244215661 413409596919 1240228790757 3720686372271