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12685728001392 = 243288199994703
BaseRepresentation
bin1011100010011010000001…
…0011111010110101110000
31122220202002012021212000100
42320212200103322311300
53130320332332021032
642551424252552400
72446341110603445
oct270464023726560
948822065255010
1012685728001392
114050a94816726
12150a6b4782700
1371034a0a5224
1431bdc76459cc
1516eeb906797c
hexb89a04fad70

12685728001392 has 60 divisors (see below), whose sum is σ = 35542717557984. Its totient is φ = 4223776212480.

The previous prime is 12685728001379. The next prime is 12685728001423. The reversal of 12685728001392 is 29310082758621.

12685728001392 is a `hidden beast` number, since 1 + 2 + 68 + 572 + 8 + 0 + 0 + 1 + 3 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49870488 + ... + 50124215.

Almost surely, 212685728001392 is an apocalyptic number.

12685728001392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12685728001392 is an abundant number, since it is smaller than the sum of its proper divisors (22856989556592).

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

12685728001392 is a wasteful number, since it uses less digits than its factorization.

12685728001392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99995598 (or 99995589 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 12685728001392 in words is "twelve trillion, six hundred eighty-five billion, seven hundred twenty-eight million, one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 881 1762 2643 3524 5286 7048 7929 10572 14096 15858 21144 31716 42288 63432 126864 99994703 199989406 299984109 399978812 599968218 799957624 899952327 1199936436 1599915248 1799904654 2399872872 3599809308 4799745744 7199618616 14399237232 88095333343 176190666686 264286000029 352381333372 528572000058 704762666744 792858000087 1057144000116 1409525333488 1585716000174 2114288000232 3171432000348 4228576000464 6342864000696 12685728001392