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2489603695488 = 273271374331963
BaseRepresentation
bin100100001110100111111…
…100011010001110000000
322211000002202120120111100
4210032213330122032000
5311242202021223423
65143412543214400
7344603462151630
oct44164774321600
98730082516440
102489603695488
1187a920422888
123426032a7400
131509cb878470
14886d706c6c0
1544b6106e343
hex243a7f1a380

2489603695488 has 384 divisors, whose sum is σ = 8829489876480. Its totient is φ = 655694548992.

The previous prime is 2489603695427. The next prime is 2489603695507. The reversal of 2489603695488 is 8845963069842.

It is a happy number.

2489603695488 is a `hidden beast` number, since 2 + 4 + 8 + 9 + 603 + 6 + 9 + 5 + 4 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77874195 + ... + 77906157.

It is an arithmetic number, because the mean of its divisors is an integer number (22993463220).

Almost surely, 22489603695488 is an apocalyptic number.

2489603695488 is a gapful number since it is divisible by the number (28) 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 2489603695488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4414744938240).

2489603695488 is an abundant number, since it is smaller than the sum of its proper divisors (6339886180992).

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

2489603695488 is a wasteful number, since it uses less digits than its factorization.

2489603695488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32746 (or 32731 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 72.

The spelling of 2489603695488 in words is "two trillion, four hundred eighty-nine billion, six hundred three million, six hundred ninety-five thousand, four hundred eighty-eight".