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87368043520 = 210519898109
BaseRepresentation
bin101000101011110001…
…0101000110000000000
322100111211101110120201
41101113202220300000
52412412204343040
6104045240214544
76212030055022
oct1212742506000
9270454343521
1087368043520
1134063a8a24a
1214b2346a454
138314770994
14432b53c012
152415287a9a
hex14578a8c00

87368043520 has 88 divisors (see below), whose sum is σ = 220611740400. Its totient is φ = 33107853312.

The previous prime is 87368043517. The next prime is 87368043563. The reversal of 87368043520 is 2534086378.

It is a super-2 number, since 2×873680435202 (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 351775 + ... + 546334.

Almost surely, 287368043520 is an apocalyptic number.

87368043520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87368043520 is an abundant number, since it is smaller than the sum of its proper divisors (133243696880).

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

87368043520 is a wasteful number, since it uses less digits than its factorization.

87368043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898153 (or 898135 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 87368043520 in words is "eighty-seven billion, three hundred sixty-eight million, forty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 256 304 320 380 512 608 640 760 1024 1216 1280 1520 2432 2560 3040 4864 5120 6080 9728 12160 19456 24320 48640 97280 898109 1796218 3592436 4490545 7184872 8981090 14369744 17064071 17962180 28739488 34128142 35924360 57478976 68256284 71848720 85320355 114957952 136512568 143697440 170640710 229915904 273025136 287394880 341281420 459831808 546050272 574789760 682562840 919663616 1092100544 1149579520 1365125680 2184201088 2299159040 2730251360 4368402176 4598318080 5460502720 8736804352 10921005440 17473608704 21842010880 43684021760 87368043520