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2755255280 = 245172025923
BaseRepresentation
bin1010010000111001…
…1101101111110000
321010000111110200212
42210032131233300
521120321132110
61133222403252
7125164166141
oct24416355760
97100443625
102755255280
1111942a7088
1264a890528
1334ba91b8b
141c1cd7ac8
15111d4be05
hexa439dbf0

2755255280 has 40 divisors (see below), whose sum is σ = 6782793552. Its totient is φ = 1037272064.

The previous prime is 2755255249. The next prime is 2755255343. The reversal of 2755255280 is 825525572.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1011602 + ... + 1014321.

Almost surely, 22755255280 is an apocalyptic number.

2755255280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755255280 is an abundant number, since it is smaller than the sum of its proper divisors (4027538272).

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

2755255280 is a wasteful number, since it uses less digits than its factorization.

2755255280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025953 (or 2025947 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 2755255280 is about 52490.5256212966. The cubic root of 2755255280 is about 1401.9115520551.

The spelling of 2755255280 in words is "two billion, seven hundred fifty-five million, two hundred fifty-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 2025923 4051846 8103692 10129615 16207384 20259230 32414768 34440691 40518460 68881382 81036920 137762764 162073840 172203455 275525528 344406910 551051056 688813820 1377627640 2755255280