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2889313680 = 2435111094437
BaseRepresentation
bin1010110000110111…
…0110110110010000
321110100202100020210
42230031312312100
521404131014210
61154412004120
7131412522021
oct25415666620
97410670223
102889313680
111252a40150
12687760640
1337079b986
141d5a32c48
1511d9cce20
hexac376d90

2889313680 has 80 divisors (see below), whose sum is σ = 9771142464. Its totient is φ = 700439040.

The previous prime is 2889313649. The next prime is 2889313681. The reversal of 2889313680 is 863139882.

2889313680 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2889313681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544579 + ... + 549858.

Almost surely, 22889313680 is an apocalyptic number.

2889313680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2889313680 is an abundant number, since it is smaller than the sum of its proper divisors (6881828784).

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

2889313680 is a wasteful number, since it uses less digits than its factorization.

2889313680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094464 (or 1094458 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2889313680 is about 53752.3365073557. The cubic root of 2889313680 is about 1424.2893643535.

The spelling of 2889313680 in words is "two billion, eight hundred eighty-nine million, three hundred thirteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 1094437 2188874 3283311 4377748 5472185 6566622 8755496 10944370 12038807 13133244 16416555 17510992 21888740 24077614 26266488 32833110 36116421 43777480 48155228 52532976 60194035 65666220 72232842 87554960 96310456 120388070 131332440 144465684 180582105 192620912 240776140 262664880 288931368 361164210 481552280 577862736 722328420 963104560 1444656840 2889313680