Search a number
-
+
630142584960 = 273571731432069
BaseRepresentation
bin10010010101101110110…
…11001100100010000000
32020020111201110000122210
421022313123030202000
540311013000204320
61201252234302120
763345343411320
oct11126733144200
92206451400583
10630142584960
11223273074839
12a2161587940
13475647263b5
14226db607280
15115d125e0e0
hex92b76cc880

630142584960 has 1024 divisors, whose sum is σ = 2568543436800. Its totient is φ = 128074383360.

The previous prime is 630142584887. The next prime is 630142585001. The reversal of 630142584960 is 69485241036.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 304562806 + ... + 304564874.

It is an arithmetic number, because the mean of its divisors is an integer number (2508343200).

Almost surely, 2630142584960 is an apocalyptic number.

630142584960 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 630142584960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284271718400).

630142584960 is an abundant number, since it is smaller than the sum of its proper divisors (1938400851840).

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

630142584960 is a wasteful number, since it uses less digits than its factorization.

630142584960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 630142584960 in words is "six hundred thirty billion, one hundred forty-two million, five hundred eighty-four thousand, nine hundred sixty".