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87110740010 = 25719359318229
BaseRepresentation
bin101000100100000110…
…1000110100000101010
322022211220020002112002
41101020031012200222
52411400322140020
6104003525251002
76202454034020
oct1211015064052
9268756202462
1087110740010
1133a41818318
1214a71263a62
1382a3371b98
1443052c0710
1523ec8ae975
hex144834682a

87110740010 has 64 divisors (see below), whose sum is σ = 188693625600. Its totient is φ = 28285189632.

The previous prime is 87110739977. The next prime is 87110740037. The reversal of 87110740010 is 1004701178.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4769576 + ... + 4787804.

It is an arithmetic number, because the mean of its divisors is an integer number (2948337900).

Almost surely, 287110740010 is an apocalyptic number.

87110740010 is an abundant number, since it is smaller than the sum of its proper divisors (101582885590).

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

87110740010 is a wasteful number, since it uses less digits than its factorization.

87110740010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21855.

The product of its (nonzero) digits is 1568, while the sum is 29.

The spelling of 87110740010 in words is "eighty-seven billion, one hundred ten million, seven hundred forty thousand, ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 3593 7186 17965 18229 25151 35930 36458 50302 68267 91145 125755 127603 136534 182290 251510 255206 341335 346351 477869 638015 682670 692702 955738 1276030 1731755 2389345 2424457 3463510 4778690 4848914 12122285 24244570 65496797 130993594 327483985 458477579 654967970 916955158 1244439143 2292387895 2488878286 4584775790 6222195715 8711074001 12444391430 17422148002 43555370005 87110740010