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87382010892 = 223112459269209
BaseRepresentation
bin101000101100001011…
…1111010110000001100
322100112210200002012210
41101120113322300030
52412424243322032
6104050455430420
76212256560151
oct1213027726014
9270483602183
1087382010892
113407095a130
1214b28085410
1383176212b7
14432d336228
1524165e62cc
hex14585fac0c

87382010892 has 48 divisors (see below), whose sum is σ = 222518217600. Its totient is φ = 26468530560.

The previous prime is 87382010789. The next prime is 87382010893. The reversal of 87382010892 is 29801028378.

It is not an unprimeable number, because it can be changed into a prime (87382010893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189984 + ... + 459192.

It is an arithmetic number, because the mean of its divisors is an integer number (4635796200).

Almost surely, 287382010892 is an apocalyptic number.

It is an amenable number.

87382010892 is an abundant number, since it is smaller than the sum of its proper divisors (135136206708).

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

87382010892 is a wasteful number, since it uses less digits than its factorization.

87382010892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271686 (or 271684 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 87382010892 in words is "eighty-seven billion, three hundred eighty-two million, ten thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 2459 4918 7377 9836 14754 27049 29508 54098 81147 108196 162294 269209 324588 538418 807627 1076836 1615254 2961299 3230508 5922598 8883897 11845196 17767794 35535588 661984931 1323969862 1985954793 2647939724 3971909586 7281834241 7943819172 14563668482 21845502723 29127336964 43691005446 87382010892