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431240040541 = 1932716938809
BaseRepresentation
bin1100100011001111110…
…10001101000001011101
31112020002212012212012101
412101213322031001131
524031134422244131
6530035310405101
743104346602262
oct6214772150135
91466085185171
10431240040541
11156984840222
126b6b1500791
13318868a6a2b
1416c2d1a1269
15b33e31bc61
hex6467e8d05d

431240040541 has 8 divisors (see below), whose sum is σ = 454075726400. Its totient is φ = 408418238880.

The previous prime is 431240040533. The next prime is 431240040551. The reversal of 431240040541 is 145040042134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431240040541 - 23 = 431240040533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431240040551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407256 + ... + 3531553.

It is an arithmetic number, because the mean of its divisors is an integer number (56759465800).

Almost surely, 2431240040541 is an apocalyptic number.

It is an amenable number.

431240040541 is a deficient number, since it is larger than the sum of its proper divisors (22835685859).

431240040541 is a wasteful number, since it uses less digits than its factorization.

431240040541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942099.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 431240040541 its reverse (145040042134), we get a palindrome (576280082675).

The spelling of 431240040541 in words is "four hundred thirty-one billion, two hundred forty million, forty thousand, five hundred forty-one".

Divisors: 1 19 3271 62149 6938809 131837371 22696844239 431240040541