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613752313405440 = 21335112433133067
BaseRepresentation
bin1000101110001101000101100…
…0100111101110000000000000
32222111010010222222210110000110
42023203101120213232000000
51120421204214212433230
610013201530444151320
7243164066323414236
oct21343213047560000
92874103888713013
10613752313405440
11168618992478100
1258a05387b38540
1320460796a5b741
14ab7bab0246956
154ae518d4204b0
hex22e34589ee000

613752313405440 has 1344 divisors, whose sum is σ = 2216634017165568. Its totient is φ = 144816702750720.

The previous prime is 613752313405423. The next prime is 613752313405493. The reversal of 613752313405440 is 44504313257316.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 613752313405440.

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 95 ways as a sum of consecutive naturals, for example, 200114870787 + ... + 200114873853.

It is an arithmetic number, because the mean of its divisors is an integer number (1649281262772).

Almost surely, 2613752313405440 is an apocalyptic number.

613752313405440 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 613752313405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108317008582784).

613752313405440 is an abundant number, since it is smaller than the sum of its proper divisors (1602881703760128).

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

613752313405440 is a wasteful number, since it uses less digits than its factorization.

613752313405440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479 (or 3444 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 613752313405440 in words is "six hundred thirteen trillion, seven hundred fifty-two billion, three hundred thirteen million, four hundred five thousand, four hundred forty".