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43003141220 = 225133711533877
BaseRepresentation
bin101000000011001011…
…111101110001100100
311002222221222220210002
4220003023331301210
51201032301004340
631431054320432
73051441445364
oct500313756144
9132887886702
1043003141220
1117268174536
1284017b9118
1340942c67c0
14211d3909a4
1511ba49b715
hexa032fdc64

43003141220 has 96 divisors (see below), whose sum is σ = 99994136928. Its totient is φ = 15431565312.

The previous prime is 43003141217. The next prime is 43003141253. The reversal of 43003141220 is 2214130034.

It can be written as a sum of positive squares in 16 ways, for example, as 6675543616 + 36327597604 = 81704^2 + 190598^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 43003141192 and 43003141201.

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 31 ways as a sum of consecutive naturals, for example, 11089922 + ... + 11093798.

It is an arithmetic number, because the mean of its divisors is an integer number (1041605593).

Almost surely, 243003141220 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 43003141220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49997068464).

43003141220 is an abundant number, since it is smaller than the sum of its proper divisors (56990995708).

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

43003141220 is a wasteful number, since it uses less digits than its factorization.

43003141220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089 (or 5087 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43003141220 its reverse (2214130034), we get a palindrome (45217271254).

The spelling of 43003141220 in words is "forty-three billion, three million, one hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 185 260 370 481 740 962 1153 1924 2306 2405 3877 4612 4810 5765 7754 9620 11530 14989 15508 19385 23060 29978 38770 42661 50401 59956 74945 77540 85322 100802 143449 149890 170644 201604 213305 252005 286898 299780 426610 504010 554593 573796 717245 853220 1008020 1109186 1434490 1864837 2218372 2772965 2868980 3729674 4470181 5545930 7459348 8940362 9324185 11091860 17880724 18648370 22350905 37296740 44701810 58112353 89403620 116224706 165396697 232449412 290561765 330793394 581123530 661586788 826983485 1162247060 1653966970 2150157061 3307933940 4300314122 8600628244 10750785305 21501570610 43003141220