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43238280481 = 1122912322109
BaseRepresentation
bin101000010001001100…
…111100110100100001
311010121100110020012121
4220101030330310201
51202022444433411
631510254224241
73060325214524
oct502114746441
9133540406177
1043238280481
1117378978100
1284684b5081
134100c35066
1421426bcbbb
1511d0e47571
hexa1133cd21

43238280481 has 12 divisors (see below), whose sum is σ = 49165218900. Its totient is φ = 37952092640.

The previous prime is 43238280457. The next prime is 43238280517. The reversal of 43238280481 is 18408283234.

It can be written as a sum of positive squares in 2 ways, for example, as 32703105600 + 10535174881 = 180840^2 + 102641^2 .

It is not a de Polignac number, because 43238280481 - 27 = 43238280353 is a prime.

It is a super-2 number, since 2×432382804812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43238281481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6157546 + ... + 6164563.

It is an arithmetic number, because the mean of its divisors is an integer number (4097101575).

Almost surely, 243238280481 is an apocalyptic number.

It is an amenable number.

43238280481 is a deficient number, since it is larger than the sum of its proper divisors (5926938419).

43238280481 is a wasteful number, since it uses less digits than its factorization.

43238280481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12322160 (or 12322149 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 43238280481 in words is "forty-three billion, two hundred thirty-eight million, two hundred eighty thousand, four hundred eighty-one".

Divisors: 1 11 29 121 319 3509 12322109 135543199 357341161 1490975189 3930752771 43238280481