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648231576060 = 22351711346712043
BaseRepresentation
bin10010110111011011001…
…11001110000111111100
32021222012101001222112010
421123231213032013330
541110034240413220
61213443220211220
764555532324565
oct11335547160774
92258171058463
10648231576060
1122aa05909562
12a576b539b10
1349188214623
1423535b9b16c
1511cde3451e0
hex96ed9ce1fc

648231576060 has 192 divisors, whose sum is σ = 1943136179712. Its totient is φ = 160894992384.

The previous prime is 648231576059. The next prime is 648231576061. The reversal of 648231576060 is 60675132846.

It is an interprime number because it is at equal distance from previous prime (648231576059) and next prime (648231576061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648231576061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53820399 + ... + 53832441.

It is an arithmetic number, because the mean of its divisors is an integer number (10120500936).

Almost surely, 2648231576060 is an apocalyptic number.

648231576060 is a gapful number since it is divisible by the number (60) 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 648231576060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971568089856).

648231576060 is an abundant number, since it is smaller than the sum of its proper divisors (1294904603652).

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

648231576060 is a wasteful number, since it uses less digits than its factorization.

648231576060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652 (or 12650 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 648231576060 in words is "six hundred forty-eight billion, two hundred thirty-one million, five hundred seventy-six thousand, sixty".