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2680761270 = 2351131262049
BaseRepresentation
bin1001111111001001…
…0010101110110110
320220211022210010110
42133302102232312
520442233330040
61122002003450
7123301044345
oct23762225666
96824283113
102680761270
111156246690
12629946586
1333950b995
141b6065b5c
1510a534980
hex9fc92bb6

2680761270 has 64 divisors (see below), whose sum is σ = 7245158400. Its totient is φ = 628915200.

The previous prime is 2680761269. The next prime is 2680761277. The reversal of 2680761270 is 721670862.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680761277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120795 + ... + 141254.

It is an arithmetic number, because the mean of its divisors is an integer number (113205600).

Almost surely, 22680761270 is an apocalyptic number.

2680761270 is an abundant number, since it is smaller than the sum of its proper divisors (4564397130).

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

2680761270 is a wasteful number, since it uses less digits than its factorization.

2680761270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262101.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2680761270 is about 51776.0685065987. The cubic root of 2680761270 is about 1389.1614199018.

The spelling of 2680761270 in words is "two billion, six hundred eighty million, seven hundred sixty-one thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 155 165 186 310 330 341 465 682 930 1023 1705 2046 3410 5115 10230 262049 524098 786147 1310245 1572294 2620490 2882539 3930735 5765078 7861470 8123519 8647617 14412695 16247038 17295234 24370557 28825390 40617595 43238085 48741114 81235190 86476170 89358709 121852785 178717418 243705570 268076127 446793545 536152254 893587090 1340380635 2680761270