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12795208244 = 2271335151671
BaseRepresentation
bin10111110101010011…
…10110001000110100
31020000201102220222122
423322221312020310
5202201033130434
65513353415112
7632035322060
oct137251661064
936021386878
1012795208244
11547661a375
12259110a498
13128bb2a650
1489549aaa0
154ed49cc2e
hex2faa76234

12795208244 has 24 divisors (see below), whose sum is σ = 27558910848. Its totient is φ = 5061840480.

The previous prime is 12795208213. The next prime is 12795208277. The reversal of 12795208244 is 44280259721.

It is a super-5 number, since 5×127952082445 (a number of 52 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12795208195 and 12795208204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17575472 + ... + 17576199.

It is an arithmetic number, because the mean of its divisors is an integer number (1148287952).

Almost surely, 212795208244 is an apocalyptic number.

12795208244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12795208244 is an abundant number, since it is smaller than the sum of its proper divisors (14763702604).

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

12795208244 is a wasteful number, since it uses less digits than its factorization.

12795208244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35151695 (or 35151693 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 12795208244 in words is "twelve billion, seven hundred ninety-five million, two hundred eight thousand, two hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 35151671 70303342 140606684 246061697 456971723 492123394 913943446 984246788 1827886892 3198802061 6397604122 12795208244