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6411987111670 = 2572233541103811
BaseRepresentation
bin101110101001110100000…
…1101101100111011110110
3211200222110101222021202221
41131103220031230323312
51320023222200033140
621345343132352554
71231152006116500
oct135235015547366
924628411867687
106411987111670
112052343623208
1287682961575a
1337685626c50a
141824addb6d70
15b1bcce0814a
hex5d4e836cef6

6411987111670 has 96 divisors (see below), whose sum is σ = 13508591312736. Its totient is φ = 2184893222400.

The previous prime is 6411987111653. The next prime is 6411987111671. The reversal of 6411987111670 is 761117891146.

It is a super-2 number, since 2×64119871116702 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411987111671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61714065 + ... + 61817875.

It is an arithmetic number, because the mean of its divisors is an integer number (140714492841).

Almost surely, 26411987111670 is an apocalyptic number.

6411987111670 is an abundant number, since it is smaller than the sum of its proper divisors (7096604201066).

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

6411987111670 is a wasteful number, since it uses less digits than its factorization.

6411987111670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104606 (or 104599 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 6411987111670 in words is "six trillion, four hundred eleven billion, nine hundred eighty-seven million, one hundred eleven thousand, six hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 233 245 466 490 541 1082 1165 1631 2330 2705 3262 3787 5410 7574 8155 11417 16310 18935 22834 26509 37870 53018 57085 103811 114170 126053 132545 207622 252106 265090 519055 630265 726677 882371 1038110 1260530 1453354 1764742 3633385 4411855 5086739 6176597 7266770 8823710 10173478 12353194 24187963 25433695 30882985 48375926 50867390 56161751 61765970 112323502 120939815 169315741 241879630 280808755 338631482 393132257 561617510 786264514 846578705 1185210187 1693157410 1965661285 2370420374 2751925799 3931322570 5503851598 5926050935 11852101870 13085687983 13759628995 26171375966 27519257990 65428439915 91599815881 130856879830 183199631762 457999079405 641198711167 915998158810 1282397422334 3205993555835 6411987111670