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12118996725 = 3521114689693
BaseRepresentation
bin10110100100101100…
…10011011011110101
31011021121000211011120
423102112103123311
5144304430343400
65322320054153
7606214525653
oct132226233365
934247024146
1012118996725
115159948680
122422764359
1311b19c9ba4
1482d755dd3
154ade28ca0
hex2d25936f5

12118996725 has 24 divisors (see below), whose sum is σ = 21858264672. Its totient is φ = 5875876800.

The previous prime is 12118996691. The next prime is 12118996751. The reversal of 12118996725 is 52769981121.

It is not a de Polignac number, because 12118996725 - 211 = 12118994677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7344022 + ... + 7345671.

It is an arithmetic number, because the mean of its divisors is an integer number (910761028).

Almost surely, 212118996725 is an apocalyptic number.

12118996725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12118996725 is a deficient number, since it is larger than the sum of its proper divisors (9739267947).

12118996725 is a wasteful number, since it uses less digits than its factorization.

12118996725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14689717 (or 14689712 counting only the distinct ones).

The product of its digits is 544320, while the sum is 51.

The spelling of 12118996725 in words is "twelve billion, one hundred eighteen million, nine hundred ninety-six thousand, seven hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 14689693 44069079 73448465 161586623 220345395 367242325 484759869 807933115 1101726975 2423799345 4039665575 12118996725