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868930867360 = 25524133225037
BaseRepresentation
bin11001010010100000101…
…00001101000010100000
310002001212021201121121001
430221100110031002200
5103214032300223420
61503103100041344
7116530626335623
oct14512024150240
93061767647531
10868930867360
11305569904676
121204a3233254
1363c2aa6005a
14300b0d95dba
1517909b17b0a
hexca5050d0a0

868930867360 has 48 divisors (see below), whose sum is σ = 2052943360776. Its totient is φ = 347556400128.

The previous prime is 868930867307. The next prime is 868930867373. The reversal of 868930867360 is 63768039868.

It can be written as a sum of positive squares in 4 ways, for example, as 852985239184 + 15945628176 = 923572^2 + 126276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 868930867292 and 868930867301.

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, 3748762 + ... + 3973798.

Almost surely, 2868930867360 is an apocalyptic number.

868930867360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

868930867360 is an abundant number, since it is smaller than the sum of its proper divisors (1184012493416).

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

868930867360 is a wasteful number, since it uses less digits than its factorization.

868930867360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249185 (or 249177 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 868930867360 in words is "eight hundred sixty-eight billion, nine hundred thirty million, eight hundred sixty-seven thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 24133 48266 96532 120665 193064 225037 241330 386128 450074 482660 772256 900148 965320 1125185 1800296 1930640 2250370 3600592 3861280 4500740 7201184 9001480 18002960 36005920 5430817921 10861635842 21723271684 27154089605 43446543368 54308179210 86893086736 108616358420 173786173472 217232716840 434465433680 868930867360