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12488158080 = 273254614703
BaseRepresentation
bin10111010000101101…
…00010101110000000
31012020022200011100100
423220112202232000
5201033432024310
65423104322400
7621316410066
oct135026425600
935208604310
1012488158080
115329270002
122506313400
131240331868
148667b0036
154d1549ec0
hex2e85a2b80

12488158080 has 192 divisors, whose sum is σ = 43225902720. Its totient is φ = 3322245120.

The previous prime is 12488158069. The next prime is 12488158091. The reversal of 12488158080 is 8085188421.

12488158080 is a `hidden beast` number, since 1 + 2 + 488 + 15 + 80 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (12488158069) and next prime (12488158091).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2653009 + ... + 2657711.

It is an arithmetic number, because the mean of its divisors is an integer number (225134910).

Almost surely, 212488158080 is an apocalyptic number.

12488158080 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 12488158080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21612951360).

12488158080 is an abundant number, since it is smaller than the sum of its proper divisors (30737744640).

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

12488158080 is a wasteful number, since it uses less digits than its factorization.

12488158080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The spelling of 12488158080 in words is "twelve billion, four hundred eighty-eight million, one hundred fifty-eight thousand, eighty".