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11886499312870 = 2572131866012451
BaseRepresentation
bin1010110011111000101010…
…0100011011010011100110
31120002100010120111210110111
42230332022210123103212
53024222022311002440
641140325444243234
72334525351051100
oct254761244332346
946070116453414
1011886499312870
113873043a88736
1213bb8246a051a
13682b79b756a0
142d14498dc570
151592dd8324ea
hexacf8a91b4e6

11886499312870 has 48 divisors (see below), whose sum is σ = 26803402860528. Its totient is φ = 3761881099200.

The previous prime is 11886499312817. The next prime is 11886499312889. The reversal of 11886499312870 is 7821399468811.

It is a junction number, because it is equal to n+sod(n) for n = 11886499312796 and 11886499312805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932999856 + ... + 933012595.

It is an arithmetic number, because the mean of its divisors is an integer number (558404226261).

Almost surely, 211886499312870 is an apocalyptic number.

11886499312870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11886499312870 is an abundant number, since it is smaller than the sum of its proper divisors (14916903547658).

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

11886499312870 is a wasteful number, since it uses less digits than its factorization.

11886499312870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866012485 (or 1866012478 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 67.

The spelling of 11886499312870 in words is "eleven trillion, eight hundred eighty-six billion, four hundred ninety-nine million, three hundred twelve thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 455 490 637 910 1274 3185 6370 1866012451 3732024902 9330062255 13062087157 18660124510 24258161863 26124174314 48516323726 65310435785 91434610099 121290809315 130620871570 169807133041 182869220198 242581618630 339614266082 457173050495 849035665205 914346100990 1188649931287 1698071330410 2377299862574 5943249656435 11886499312870