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1288866103161 = 37138322273019
BaseRepresentation
bin10010110000010110011…
…001111111111101111001
311120012210021221220001120
4102300112121333331321
5132104044210300121
62424032533335453
7162055206054630
oct22602631777571
94505707856046
101288866103161
1145767235075a
1218995a797589
139470251b6c0
144654a9c2517
15237d6737bc6
hex12c1667ff79

1288866103161 has 96 divisors (see below), whose sum is σ = 2150995338240. Its totient is φ = 668470292352.

The previous prime is 1288866103087. The next prime is 1288866103163. The reversal of 1288866103161 is 1613016688821.

It is not a de Polignac number, because 1288866103161 - 210 = 1288866102137 is a prime.

It is a super-2 number, since 2×12888661031612 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1288866103163) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 426916710 + ... + 426919728.

It is an arithmetic number, because the mean of its divisors is an integer number (22406201440).

Almost surely, 21288866103161 is an apocalyptic number.

It is an amenable number.

1288866103161 is a deficient number, since it is larger than the sum of its proper divisors (862129235079).

1288866103161 is a wasteful number, since it uses less digits than its factorization.

1288866103161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 1288866103161 in words is "one trillion, two hundred eighty-eight billion, eight hundred sixty-six million, one hundred three thousand, one hundred sixty-one".

Divisors: 1 3 7 13 21 39 83 91 227 249 273 581 681 1079 1589 1743 2951 3019 3237 4767 6889 7553 8853 9057 18841 20657 20667 21133 22659 39247 48223 56523 61971 63399 89557 117741 131887 144669 244933 250577 268671 274729 395661 626899 685313 734799 751731 824187 1563803 1714531 1754039 1880697 2055939 3257501 4691409 4797191 5143593 5262117 8909069 9772503 10946621 14391573 20329439 20797891 22802507 26727207 32839863 56880979 60988317 62363483 62393673 68407521 142306073 145585237 170642937 187090449 270372583 398166853 426918219 436755711 739452727 811117749 1194500559 1892608081 2218358181 4721121257 5176169089 5677824243 14163363771 15528507267 33047848799 61374576341 99143546397 184123729023 429622034387 1288866103161