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828261328630 = 25295215481907
BaseRepresentation
bin11000000110110000011…
…10001110011011110110
32221011212221210222121211
430003120032032123312
5102032234400004010
61432255322432034
7113561042063101
oct14033016163366
92834787728554
10828261328630
1129a299a2223a
1211463306261a
1360149075338
142c1338dd738
151682947908a
hexc0d838e6f6

828261328630 has 32 divisors (see below), whose sum is σ = 1545240227040. Its totient is φ = 319266205440.

The previous prime is 828261328621. The next prime is 828261328637. The reversal of 828261328630 is 36823162828.

828261328630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828261328637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589864 + ... + 2892043.

It is an arithmetic number, because the mean of its divisors is an integer number (48288757095).

Almost surely, 2828261328630 is an apocalyptic number.

828261328630 is a deficient number, since it is larger than the sum of its proper divisors (716978898410).

828261328630 is a wasteful number, since it uses less digits than its factorization.

828261328630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482464.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 828261328630 in words is "eight hundred twenty-eight billion, two hundred sixty-one million, three hundred twenty-eight thousand, six hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 521 1042 2605 5210 15109 30218 75545 151090 5481907 10963814 27409535 54819070 158975303 317950606 794876515 1589753030 2856073547 5712147094 14280367735 28560735470 82826132863 165652265726 414130664315 828261328630