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12612367112540 = 2251348799608017
BaseRepresentation
bin1011011110001000101110…
…1010010101100101011100
31122122201201112211120100212
42313202023222111211130
53123120111440100130
642454012542311552
72441133133413146
oct267421352254534
948581645746325
1012612367112540
114022969482068
1214b84402885b8
13706458579b60
14318628523c96
1516d123877e95
hexb788ba9595c

12612367112540 has 48 divisors (see below), whose sum is σ = 28581923116992. Its totient is φ = 4647311594496.

The previous prime is 12612367112503. The next prime is 12612367112603. The reversal of 12612367112540 is 4521176321621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49677389 + ... + 49930628.

It is an arithmetic number, because the mean of its divisors is an integer number (595456731604).

Almost surely, 212612367112540 is an apocalyptic number.

12612367112540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12612367112540 is an abundant number, since it is smaller than the sum of its proper divisors (15969556004452).

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

12612367112540 is a wasteful number, since it uses less digits than its factorization.

12612367112540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99608526 (or 99608524 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12612367112540 in words is "twelve trillion, six hundred twelve billion, three hundred sixty-seven million, one hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 487 974 1948 2435 4870 6331 9740 12662 25324 31655 63310 126620 99608017 199216034 398432068 498040085 996080170 1294904221 1992160340 2589808442 5179616884 6474521105 12949042210 25898084420 48509104279 97018208558 194036417116 242545521395 485091042790 630618355627 970182085580 1261236711254 2522473422508 3153091778135 6306183556270 12612367112540