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40305454325 = 521612218173
BaseRepresentation
bin100101100010011001…
…000110110011110101
310212000221211020001122
4211202121012303311
51130021144014300
630303245433325
72624543465123
oct454231066365
9125027736048
1040305454325
1116103418434
12798a26b845
133a5443cb76
141d44da0913
1510ad721c85
hex962646cf5

40305454325 has 6 divisors (see below), whose sum is σ = 49978763394. Its totient is φ = 32244363440.

The previous prime is 40305454313. The next prime is 40305454327. The reversal of 40305454325 is 52345450304.

40305454325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2547523729 + 37757930596 = 50473^2 + 194314^2 .

It is not a de Polignac number, because 40305454325 - 218 = 40305192181 is a prime.

It is a super-2 number, since 2×403054543252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305454327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 806109062 + ... + 806109111.

It is an arithmetic number, because the mean of its divisors is an integer number (8329793899).

Almost surely, 240305454325 is an apocalyptic number.

It is an amenable number.

40305454325 is a deficient number, since it is larger than the sum of its proper divisors (9673309069).

40305454325 is a wasteful number, since it uses less digits than its factorization.

40305454325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612218183 (or 1612218178 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 40305454325 in words is "forty billion, three hundred five million, four hundred fifty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 1612218173 8061090865 40305454325