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12853906580 = 2254361245023
BaseRepresentation
bin10111111100010011…
…10000110010010100
31020011210220002222002
423332021300302110
5202311100002310
65523251454432
7633350255204
oct137611606224
936153802862
1012853906580
1154a6771299
1225a88b7418
13129b03cca8
1489d1ba404
155036e4da5
hex2fe270c94

12853906580 has 48 divisors (see below), whose sum is σ = 28073869824. Its totient is φ = 4939643520.

The previous prime is 12853906579. The next prime is 12853906589. The reversal of 12853906580 is 8560935821.

12853906580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12853906589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70052 + ... + 174971.

It is an arithmetic number, because the mean of its divisors is an integer number (584872288).

Almost surely, 212853906580 is an apocalyptic number.

12853906580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12853906580 is an abundant number, since it is smaller than the sum of its proper divisors (15219963244).

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

12853906580 is a wasteful number, since it uses less digits than its factorization.

12853906580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245136 (or 245134 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 12853906580 in words is "twelve billion, eight hundred fifty-three million, nine hundred six thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 43 61 86 122 172 215 244 305 430 610 860 1220 2623 5246 10492 13115 26230 52460 245023 490046 980092 1225115 2450230 4900460 10535989 14946403 21071978 29892806 42143956 52679945 59785612 74732015 105359890 149464030 210719780 298928060 642695329 1285390658 2570781316 3213476645 6426953290 12853906580