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630835023744 = 273223167142567
BaseRepresentation
bin10010010111000001011…
…00101000111110000000
32020022021222101120002200
421023200230220332000
540313422231224434
61201445051513200
763401452141302
oct11134054507600
92208258346080
10630835023744
11223598a1a2a2
12a2315458800
1347645018ca3
1422765573972
1511621e3b199
hex92e0b28f80

630835023744 has 192 divisors, whose sum is σ = 1905575293440. Its totient is φ = 199929996288.

The previous prime is 630835023727. The next prime is 630835023757. The reversal of 630835023744 is 447320538036.

630835023744 is a `hidden beast` number, since 6 + 30 + 83 + 502 + 37 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 630835023744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4353549 + ... + 4496115.

It is an arithmetic number, because the mean of its divisors is an integer number (9924871320).

Almost surely, 2630835023744 is an apocalyptic number.

630835023744 is a gapful number since it is divisible by the number (64) 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 630835023744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952787646720).

630835023744 is an abundant number, since it is smaller than the sum of its proper divisors (1274740269696).

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

630835023744 is a wasteful number, since it uses less digits than its factorization.

630835023744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142777 (or 142762 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 630835023744 in words is "six hundred thirty billion, eight hundred thirty-five million, twenty-three thousand, seven hundred forty-four".