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12603948664320 = 29325131723910357
BaseRepresentation
bin1011011101101001010111…
…1000100000011000000000
31122121220222212001002102100
42313122111320200120000
53123000341324224240
642450101333550400
72440414411654266
oct267322570403000
948556885032370
1012603948664320
11401a339489342
1214b6890aa5400
13705716436450
1431806a452436
1516ccce772e30
hexb7695e20600

12603948664320 has 960 divisors, whose sum is σ = 49987098120960. Its totient is φ = 2907511455744.

The previous prime is 12603948664313. The next prime is 12603948664339. The reversal of 12603948664320 is 2346684930621.

12603948664320 is a `hidden beast` number, since 1 + 2 + 60 + 3 + 94 + 8 + 66 + 432 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1216944582 + ... + 1216954938.

It is an arithmetic number, because the mean of its divisors is an integer number (52069893876).

Almost surely, 212603948664320 is an apocalyptic number.

12603948664320 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 12603948664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24993549060480).

12603948664320 is an abundant number, since it is smaller than the sum of its proper divisors (37383149456640).

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

12603948664320 is a wasteful number, since it uses less digits than its factorization.

12603948664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 12603948664320 in words is "twelve trillion, six hundred three billion, nine hundred forty-eight million, six hundred sixty-four thousand, three hundred twenty".