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12989044403160 = 23357317313171889
BaseRepresentation
bin1011110100000011111101…
…1000001010101111011000
31200222201222211121112201120
42331000333120022233120
53200303030331400120
643343030140045240
72510266425513000
oct275007730125730
950881884545646
1012989044403160
114158693a3a731
121559444833820
13732b28009837
1432c95cdd3000
15177d1c969140
hexbd03f60abd8

12989044403160 has 1024 divisors, whose sum is σ = 49851002880000. Its totient is φ = 2694186270720.

The previous prime is 12989044403113. The next prime is 12989044403197. The reversal of 12989044403160 is 6130444098921.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 255 ways as a sum of consecutive naturals, for example, 6876147496 + ... + 6876149384.

It is an arithmetic number, because the mean of its divisors is an integer number (48682620000).

Almost surely, 212989044403160 is an apocalyptic number.

12989044403160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12989044403160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24925501440000).

12989044403160 is an abundant number, since it is smaller than the sum of its proper divisors (36861958476840).

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

12989044403160 is a wasteful number, since it uses less digits than its factorization.

12989044403160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 12989044403160 in words is "twelve trillion, nine hundred eighty-nine billion, forty-four million, four hundred three thousand, one hundred sixty".