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28864577360 = 245547659611
BaseRepresentation
bin11010111000011101…
…100111111101010000
32202111121210110022202
4122320131213331100
5433103312433420
621132112022332
72041201600523
oct327035477520
982447713282
1028864577360
1111272335213
1257168319a8
132950091198
14157b728bba
15b3e0e7575
hex6b8767f50

28864577360 has 40 divisors (see below), whose sum is σ = 67232931936. Its totient is φ = 11524705920.

The previous prime is 28864577347. The next prime is 28864577387. The reversal of 28864577360 is 6377546882.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 28864577296 and 28864577305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286046 + ... + 373565.

Almost surely, 228864577360 is an apocalyptic number.

28864577360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28864577360 is an abundant number, since it is smaller than the sum of its proper divisors (38368354576).

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

28864577360 is a wasteful number, since it uses less digits than its factorization.

28864577360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660171 (or 660165 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 28864577360 in words is "twenty-eight billion, eight hundred sixty-four million, five hundred seventy-seven thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 547 1094 2188 2735 4376 5470 8752 10940 21880 43760 659611 1319222 2638444 3298055 5276888 6596110 10553776 13192220 26384440 52768880 360807217 721614434 1443228868 1804036085 2886457736 3608072170 5772915472 7216144340 14432288680 28864577360