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37443044420 = 2253135981317
BaseRepresentation
bin100010110111110001…
…111000010001000100
310120122110200201211222
4202313301320101010
51103140404410140
625111234215512
72463605424545
oct426761702104
9116573621758
1037443044420
1114974693511
12730b724598
1336b9400ab2
141b52b724cc
15e922aa5b5
hex8b7c78444

37443044420 has 24 divisors (see below), whose sum is σ = 78881621784. Its totient is φ = 14929364736.

The previous prime is 37443044417. The next prime is 37443044437. The reversal of 37443044420 is 2444034473.

It can be written as a sum of positive squares in 4 ways, for example, as 221831236 + 37221213184 = 14894^2 + 192928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984399 + ... + 2996918.

It is an arithmetic number, because the mean of its divisors is an integer number (3286734241).

Almost surely, 237443044420 is an apocalyptic number.

It is an amenable number.

37443044420 is an abundant number, since it is smaller than the sum of its proper divisors (41438577364).

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

37443044420 is a wasteful number, since it uses less digits than its factorization.

37443044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981639 (or 5981637 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 35.

Adding to 37443044420 its reverse (2444034473), we get a palindrome (39887078893).

The spelling of 37443044420 in words is "thirty-seven billion, four hundred forty-three million, forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 3130 6260 5981317 11962634 23925268 29906585 59813170 119626340 1872152221 3744304442 7488608884 9360761105 18721522210 37443044420