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12685728310 = 253581354251
BaseRepresentation
bin10111101000010000…
…01101101000110110
31012202002102202202021
423310020031220312
5201440021301220
65454443103354
7626235624433
oct136410155066
935662382667
1012685728310
11541a843492
122560511b5a
131272247c18
14884b1cb8a
154e3a744aa
hex2f420da36

12685728310 has 16 divisors (see below), whose sum is σ = 22840751952. Its totient is φ = 5072860000.

The previous prime is 12685728247. The next prime is 12685728317. The reversal of 12685728310 is 1382758621.

It is a super-2 number, since 2×126857283102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685728317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141316 + ... + 212935.

It is an arithmetic number, because the mean of its divisors is an integer number (1427546997).

Almost surely, 212685728310 is an apocalyptic number.

12685728310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12685728310 is a deficient number, since it is larger than the sum of its proper divisors (10155023642).

12685728310 is a wasteful number, since it uses less digits than its factorization.

12685728310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357839.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 12685728310 in words is "twelve billion, six hundred eighty-five million, seven hundred twenty-eight thousand, three hundred ten".

Divisors: 1 2 5 10 3581 7162 17905 35810 354251 708502 1771255 3542510 1268572831 2537145662 6342864155 12685728310