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2681275488 = 25363144263
BaseRepresentation
bin1001111111010001…
…0000010001100000
320220212021220111120
42133310100101200
520442401303423
61122021012240
7123305315463
oct23764202140
96825256446
102681275488
111156567a61
12629b54080
1333965ba58
141b615b2da
1510a5d6ee3
hex9fd10460

2681275488 has 48 divisors (see below), whose sum is σ = 7049661696. Its totient is φ = 892321920.

The previous prime is 2681275481. The next prime is 2681275489. The reversal of 2681275488 is 8845721862.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2681275488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681275481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38445 + ... + 82707.

It is an arithmetic number, because the mean of its divisors is an integer number (146867952).

Almost surely, 22681275488 is an apocalyptic number.

It is an amenable number.

2681275488 is an abundant number, since it is smaller than the sum of its proper divisors (4368386208).

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

2681275488 is a wasteful number, since it uses less digits than its factorization.

2681275488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44907 (or 44899 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 2681275488 is about 51781.0340568823. The cubic root of 2681275488 is about 1389.2502362324.

The spelling of 2681275488 in words is "two billion, six hundred eighty-one million, two hundred seventy-five thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 631 1262 1893 2524 3786 5048 7572 10096 15144 20192 30288 44263 60576 88526 132789 177052 265578 354104 531156 708208 1062312 1416416 2124624 4249248 27929953 55859906 83789859 111719812 167579718 223439624 335159436 446879248 670318872 893758496 1340637744 2681275488