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121619934249216 = 28313103118266833
BaseRepresentation
bin11011101001110011011000…
…111110101000000100000000
3120221121202022022212022001020
4123221303120332220010000
5111420110111131433331
61110355232041505440
734421515230126654
oct3351633076500400
9527552268768036
10121619934249216
113582a7a7293127
1211782911aa2280
1352b2931218c40
142206617008a64
15e0d930d18c96
hex6e9cd8fa8100

121619934249216 has 144 divisors (see below), whose sum is σ = 351969667061376. Its totient is φ = 37058202206208.

The previous prime is 121619934249211. The next prime is 121619934249251. The reversal of 121619934249216 is 612942439916121.

It is a super-2 number, since 2×1216199342492162 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121619934249216.

It is not an unprimeable number, because it can be changed into a prime (121619934249211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58105065 + ... + 60161768.

Almost surely, 2121619934249216 is an apocalyptic number.

121619934249216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121619934249216 is an abundant number, since it is smaller than the sum of its proper divisors (230349732812160).

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

121619934249216 is a wasteful number, since it uses less digits than its factorization.

121619934249216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118266968 (or 118266954 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 60.

The spelling of 121619934249216 in words is "one hundred twenty-one trillion, six hundred nineteen billion, nine hundred thirty-four million, two hundred forty-nine thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 103 104 128 156 192 206 208 256 309 312 384 412 416 618 624 768 824 832 1236 1248 1339 1648 1664 2472 2496 2678 3296 3328 4017 4944 4992 5356 6592 8034 9888 9984 10712 13184 16068 19776 21424 26368 32136 39552 42848 64272 79104 85696 128544 171392 257088 342784 514176 1028352 118266833 236533666 354800499 473067332 709600998 946134664 1419201996 1537468829 1892269328 2838403992 3074937658 3784538656 4612406487 5676807984 6149875316 7569077312 9224812974 11353615968 12181483799 12299750632 15138154624 18449625948 22707231936 24362967598 24599501264 30276309248 36544451397 36899251896 45414463872 48725935196 49199002528 73088902794 73798503792 90828927744 97451870392 98398005056 146177805588 147597007584 158359289387 194903740784 196796010112 292355611176 295194015168 316718578774 389807481568 393592020224 475077868161 584711222352 590388030336 633437157548 779614963136 950155736322 1169422444704 1180776060672 1266874315096 1559229926272 1900311472644 2338844889408 2533748630192 3118459852544 3800622945288 4677689778816 5067497260384 7601245890576 9355379557632 10134994520768 15202491781152 20269989041536 30404983562304 40539978083072 60809967124608 121619934249216