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389030682315990 = 2351113267629338839
BaseRepresentation
bin101100001110100100100001…
…1101000000100110011010110
31220000102222012010210120210010
41120131021003220010303112
5401442334314133102430
63455222121143541050
7144641352654014211
oct13035110350046326
91800388163716703
10389030682315990
11102a58a93181930
123777090445a786
131390c588978c80
146c0d284db0778
152ee98aa42acb0
hex161d243a04cd6

389030682315990 has 128 divisors (see below), whose sum is σ = 1096910630323200. Its totient is φ = 87055234813440.

The previous prime is 389030682315941. The next prime is 389030682315991. The reversal of 389030682315990 is 99513286030983.

It is a happy number.

It is a super-3 number, since 3×3890306823159903 (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389030682315991) 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, 1147958991 + ... + 1148297829.

It is an arithmetic number, because the mean of its divisors is an integer number (8569614299400).

Almost surely, 2389030682315990 is an apocalyptic number.

389030682315990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389030682315990 is an abundant number, since it is smaller than the sum of its proper divisors (707879948007210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389030682315990 is a wasteful number, since it uses less digits than its factorization.

389030682315990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606502.

The product of its (nonzero) digits is 75582720, while the sum is 66.

The spelling of 389030682315990 in words is "three hundred eighty-nine trillion, thirty billion, six hundred eighty-two million, three hundred fifteen thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 286 330 390 429 715 858 1430 2145 4290 267629 338839 535258 677678 802887 1016517 1338145 1605774 1694195 2033034 2676290 2943919 3388390 3479177 3727229 4014435 4404907 5082585 5887838 6958354 7454458 8028870 8809814 8831757 10165170 10437531 11181687 13214721 14719595 17395885 17663514 18636145 20875062 22024535 22363374 26429442 29439190 34791770 37272290 38270947 44049070 44158785 48453977 52187655 55908435 66073605 76541894 88317570 96907954 104375310 111816870 114812841 132147210 145361931 191354735 229625682 242269885 290723862 382709470 484539770 574064205 726809655 1148128410 1453619310 90683142731 181366285462 272049428193 453415713655 544098856386 906831427310 997514570041 1178880855503 1360247140965 1995029140082 2357761711006 2720494281930 2992543710123 3536642566509 4987572850205 5894404277515 5985087420246 7073285133018 9975145700410 11788808555030 12967689410533 14962718550615 17683212832545 25935378821066 29925437101230 35366425665090 38903068231599 64838447052665 77806136463198 129676894105330 194515341157995 389030682315990