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422719665526752 = 253113316831770679
BaseRepresentation
bin110000000011101100001011…
…1100000001101011111100000
32001102201121100022020010201020
41200013120113200031133200
5420401314333333324002
64055014422232005440
7155016326244344136
oct14007302740153740
92042647308203636
10422719665526752
11112767448a02460
123b4b1aa0830880
13151b43a782c839
147655a53357756
1533d0d967472bc
hex180761780d7e0

422719665526752 has 192 divisors, whose sum is σ = 1215950943836160. Its totient is φ = 127522813017600.

The previous prime is 422719665526747. The next prime is 422719665526757. The reversal of 422719665526752 is 257625566917224.

It is an interprime number because it is at equal distance from previous prime (422719665526747) and next prime (422719665526757).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422719665526757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237847749 + ... + 239618427.

It is an arithmetic number, because the mean of its divisors is an integer number (6333077832480).

Almost surely, 2422719665526752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422719665526752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607975471918080).

422719665526752 is an abundant number, since it is smaller than the sum of its proper divisors (793231278309408).

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

422719665526752 is a wasteful number, since it uses less digits than its factorization.

422719665526752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771717 (or 1771709 counting only the distinct ones).

The product of its digits is 762048000, while the sum is 69.

The spelling of 422719665526752 in words is "four hundred twenty-two trillion, seven hundred nineteen billion, six hundred sixty-five million, five hundred twenty-six thousand, seven hundred fifty-two".