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60643480025640 = 233517131347653963
BaseRepresentation
bin11011100100111101010010…
…00101011011101000101000
321221201110102101120201200110
431302132221011123220220
530422040321341310030
6332551121412334320
715526226653052541
oct1562365105335050
9257643371521613
1060643480025640
1118360834558496
1269751429143a0
1327ab86a553005
1410d92354274c8
15702721bbb1b0
hex3727a915ba28

60643480025640 has 256 divisors, whose sum is σ = 194662377169920. Its totient is φ = 15060587909120.

The previous prime is 60643480025633. The next prime is 60643480025641. The reversal of 60643480025640 is 4652008434606.

60643480025640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 60643480025640.

It is not an unprimeable number, because it can be changed into a prime (60643480025641) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 92405299 + ... + 93059261.

It is an arithmetic number, because the mean of its divisors is an integer number (760399910820).

Almost surely, 260643480025640 is an apocalyptic number.

60643480025640 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 60643480025640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97331188584960).

60643480025640 is an abundant number, since it is smaller than the sum of its proper divisors (134018897144280).

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

60643480025640 is a wasteful number, since it uses less digits than its factorization.

60643480025640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654472 (or 654468 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 60643480025640 in words is "sixty trillion, six hundred forty-three billion, four hundred eighty million, twenty-five thousand, six hundred forty".