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2681227636 = 2219418111061
BaseRepresentation
bin1001111111010000…
…0100100101110100
320220212012110212021
42133310010211310
520442343241021
61122020002524
7123305026123
oct23764044564
96825173767
102681227636
11115653500a
12629b30444
13339643039
141b6147aba
1510a5c7c41
hex9fd04974

2681227636 has 48 divisors (see below), whose sum is σ = 5070582720. Its totient is φ = 1236384000.

The previous prime is 2681227613. The next prime is 2681227639. The reversal of 2681227636 is 6367221862.

2681227636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2681227592 and 2681227601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681227639) 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, 2526546 + ... + 2527606.

It is an arithmetic number, because the mean of its divisors is an integer number (105637140).

Almost surely, 22681227636 is an apocalyptic number.

It is an amenable number.

2681227636 is a deficient number, since it is larger than the sum of its proper divisors (2389355084).

2681227636 is a wasteful number, since it uses less digits than its factorization.

2681227636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 2681227636 is about 51780.5719937507. The cubic root of 2681227636 is about 1389.2419716586.

The spelling of 2681227636 in words is "two billion, six hundred eighty-one million, two hundred twenty-seven thousand, six hundred thirty-six".

Divisors: 1 2 4 19 38 41 76 82 164 779 811 1061 1558 1622 2122 3116 3244 4244 15409 20159 30818 33251 40318 43501 61636 66502 80636 87002 133004 174004 631769 826519 860471 1263538 1653038 1720942 2527076 3306076 3441884 16348949 32697898 35279311 65395796 70558622 141117244 670306909 1340613818 2681227636