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2143308832 = 257191393623
BaseRepresentation
bin111111111000000…
…0100110000100000
312112101000100222121
41333300010300200
513342141340312
6552402314024
7104053552540
oct17760046040
95471010877
102143308832
119aa929715
124b9958914
132820727a2
14164921320
15c826e707
hex7fc04c20

2143308832 has 96 divisors (see below), whose sum is σ = 5114188800. Its totient is φ = 863716608.

The previous prime is 2143308821. The next prime is 2143308841. The reversal of 2143308832 is 2388033412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589773 + ... + 593395.

It is an arithmetic number, because the mean of its divisors is an integer number (53272800).

Almost surely, 22143308832 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 2143308832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557094400).

2143308832 is an abundant number, since it is smaller than the sum of its proper divisors (2970879968).

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

2143308832 is a wasteful number, since it uses less digits than its factorization.

2143308832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2143308832 is about 46295.8835319081. The cubic root of 2143308832 is about 1289.3225680174.

The spelling of 2143308832 in words is "two billion, one hundred forty-three million, three hundred eight thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 139 152 224 266 278 304 532 556 608 973 1064 1112 1946 2128 2224 2641 3623 3892 4256 4448 5282 7246 7784 10564 14492 15568 18487 21128 25361 28984 31136 36974 42256 50722 57968 68837 73948 84512 101444 115936 137674 147896 202888 275348 295792 405776 481859 503597 550696 591584 811552 963718 1007194 1101392 1927436 2014388 2202784 3525179 3854872 4028776 7050358 7709744 8057552 9568343 14100716 15419488 16115104 19136686 28201432 38273372 56402864 66978401 76546744 112805728 133956802 153093488 267913604 306186976 535827208 1071654416 2143308832