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2753978720 = 25567256901
BaseRepresentation
bin1010010000100110…
…0110000101100000
321002221002121120212
42210021212011200
521120004304340
61133135153252
7125150301323
oct24411460540
97087077525
102753978720
111193604a79
1264a375828
1334b735b0c
141c1a847ba
15111b98a65
hexa4266160

2753978720 has 48 divisors (see below), whose sum is σ = 6603409008. Its totient is φ = 1085145600.

The previous prime is 2753978719. The next prime is 2753978723. The reversal of 2753978720 is 278793572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2753978723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117731 + ... + 139170.

It is an arithmetic number, because the mean of its divisors is an integer number (137571021).

Almost surely, 22753978720 is an apocalyptic number.

2753978720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2753978720 is an abundant number, since it is smaller than the sum of its proper divisors (3849430288).

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

2753978720 is a wasteful number, since it uses less digits than its factorization.

2753978720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256983 (or 256975 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 2753978720 is about 52478.3643037776. The cubic root of 2753978720 is about 1401.6950082157.

The spelling of 2753978720 in words is "two billion, seven hundred fifty-three million, nine hundred seventy-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 67 80 134 160 268 335 536 670 1072 1340 2144 2680 5360 10720 256901 513802 1027604 1284505 2055208 2569010 4110416 5138020 8220832 10276040 17212367 20552080 34424734 41104160 68849468 86061835 137698936 172123670 275397872 344247340 550795744 688494680 1376989360 2753978720