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68303629689201 = 3417219228432
BaseRepresentation
bin11111000011111001011011…
…00101011010000101110001
322221211202121101121021010000
433201330231211122011301
532423041313200023301
6401134130532300213
720246526421634514
oct1741745545320561
9287752541537100
1068303629689201
111a844452318885
1277b184b471669
132c1600a277a2a
1412c1cb01d4d7b
157d6b02ba0786
hex3e1f2d95a171

68303629689201 has 135 divisors (see below), whose sum is σ = 114434039027451. Its totient is φ = 40587257160576.

The previous prime is 68303629689131. The next prime is 68303629689221. The reversal of 68303629689201 is 10298692630386.

The square root of 68303629689201 is 8264601.

It is a perfect power (a square), and thus also a powerful number.

68303629689201 is a `hidden beast` number, since 6 + 8 + 3 + 0 + 362 + 9 + 68 + 9 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53177566367025 + 15126063322176 = 7292295^2 + 3889224^2 .

It is not a de Polignac number, because 68303629689201 - 27 = 68303629689073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68303629689221) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 24025193686 + ... + 24025196528.

Almost surely, 268303629689201 is an apocalyptic number.

68303629689201 is the 8264601-st square number.

68303629689201 is the 4132301-st centered octagonal number.

It is an amenable number.

68303629689201 is a deficient number, since it is larger than the sum of its proper divisors (46130409338250).

68303629689201 is an frugal number, since it uses more digits than its factorization.

68303629689201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 68303629689201 in words is "sixty-eight trillion, three hundred three billion, six hundred twenty-nine million, six hundred eighty-nine thousand, two hundred one".

Divisors: 1 3 9 17 19 27 51 57 81 153 171 289 323 361 459 513 867 969 1083 1377 1539 2601 2843 2907 3249 5491 6137 7803 8529 8721 9747 16473 18411 23409 25587 26163 29241 48331 49419 54017 55233 76761 104329 144993 148257 162051 165699 230283 312987 434979 444771 486153 497097 821627 918289 938961 1026323 1304937 1458459 2464881 2754867 2816883 3078969 3914811 4375377 7394643 8082649 8264601 8450649 9236907 15610913 17447491 22183929 24247947 24793803 27710721 46832739 52342473 66551787 72743841 74381409 83132163 137405033 140498217 153570331 157027419 218231523 296607347 412215099 421494651 460710993 471082257 654694569 889822041 1236645297 1264483953 1382132979 1413246771 2335885561 2610695627 2669466123 2917836289 3709935891 4146398937 7007656683 7832086881 8008398369 8753508867 11129807673 12439196811 21022970049 23496260643 24025195107 26260526601 44381825659 49603216913 63068910147 70488781929 78781579803 133145476977 148809650739 189206730441 211466345787 236344739409 399436430931 446428952217 843254687521 1198309292793 1339286856651 2529764062563 3594927878379 4017860569953 7589292187689 22767876563067 68303629689201