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630254345952 = 2537111711714283
BaseRepresentation
bin10010010101111100001…
…01100001111011100000
32020020210111202001220210
421022332011201323200
540311230103032302
61201311305534120
763351201356160
oct11127605417340
92206714661823
10630254345952
112233201694a0
12a2192aa4340
134758192716a
142270c3ba5a0
15115dae8866c
hex92be161ee0

630254345952 has 384 divisors, whose sum is σ = 2186358386688. Its totient is φ = 153905356800.

The previous prime is 630254345947. The next prime is 630254345957. The reversal of 630254345952 is 259543452036.

It is an interprime number because it is at equal distance from previous prime (630254345947) and next prime (630254345957).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630254345957) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 147150403 + ... + 147154685.

It is an arithmetic number, because the mean of its divisors is an integer number (5693641632).

Almost surely, 2630254345952 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 630254345952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093179193344).

630254345952 is an abundant number, since it is smaller than the sum of its proper divisors (1556104040736).

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

630254345952 is a wasteful number, since it uses less digits than its factorization.

630254345952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502 (or 5494 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

Adding to 630254345952 its reverse (259543452036), we get a palindrome (889797797988).

The spelling of 630254345952 in words is "six hundred thirty billion, two hundred fifty-four million, three hundred forty-five thousand, nine hundred fifty-two".