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40068429241 = 2001712
BaseRepresentation
bin100101010100010000…
…111011010110111001
310211102102211002202211
4211110100323112321
51124030004213431
630223541255121
72615635012651
oct452420732671
9124372732684
1040068429241
1115aa1646a35
127922a044a1
133a172c1139
141d21701361
151097a022b1
hex95443b5b9

40068429241 has 3 divisors (see below), whose sum is σ = 40068629413. Its totient is φ = 40068229070.

The previous prime is 40068429227. The next prime is 40068429299. The reversal of 40068429241 is 14292486004.

The square root of 40068429241 is 200171.

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

40068429241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 40068429241 - 25 = 40068429209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40068429194 and 40068429203.

It is not an unprimeable number, because it can be changed into a prime (40068429211) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 100086 + ... + 300256.

Almost surely, 240068429241 is an apocalyptic number.

40068429241 is the 200171-st square number.

40068429241 is the 100086-th centered octagonal number.

It is an amenable number.

40068429241 is a deficient number, since it is larger than the sum of its proper divisors (200172).

40068429241 is an frugal number, since it uses more digits than its factorization.

40068429241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400342 (or 200171 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 40068429241 in words is "forty billion, sixty-eight million, four hundred twenty-nine thousand, two hundred forty-one".

Divisors: 1 200171 40068429241