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43242786601 = 726124872
BaseRepresentation
bin101000010001011110…
…001000111100101001
311010121122221011102221
4220101132020330221
51202030123132401
631510534554041
73060411423100
oct502136107451
9133548834387
1043242786601
1117380475673
128469b08921
134101b520c1
142143133037
1511d15377a1
hexa11788f29

43242786601 has 27 divisors (see below), whose sum is σ = 51246216567. Its totient is φ = 36382757040.

The previous prime is 43242786589. The next prime is 43242786637. The reversal of 43242786601 is 10668724234.

The square root of 43242786601 is 207949.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1406175001 + 41836611600 = 37499^2 + 204540^2 .

It is not a de Polignac number, because 43242786601 - 213 = 43242778409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43242786101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88793980 + ... + 88794466.

It is an arithmetic number, because the mean of its divisors is an integer number (1898008021).

Almost surely, 243242786601 is an apocalyptic number.

43242786601 is the 207949-th square number.

43242786601 is the 103975-th centered octagonal number.

It is an amenable number.

43242786601 is a deficient number, since it is larger than the sum of its proper divisors (8003429966).

43242786601 is an frugal number, since it uses more digits than its factorization.

43242786601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 43242786601 in words is "forty-three billion, two hundred forty-two million, seven hundred eighty-six thousand, six hundred one".

Divisors: 1 7 49 61 427 487 2989 3409 3721 23863 26047 29707 182329 207949 237169 1455643 1660183 1812127 11621281 12684889 14467309 88794223 101271163 708898141 882505849 6177540943 43242786601