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531250123131341 = 3528115057683261
BaseRepresentation
bin111100011001010110100111…
…0111000000100100111001101
32120200000000102111111101221222
41320302231032320010213031
51024113000223010200331
65121512534250133125
7216620361203005325
oct17062551670044715
92520000374441858
10531250123131341
111442aaa039333a9
124b6bb9bb4211a5
1319a5789680c923
149528900b54285
15416407c97ab7b
hex1e32b4ee049cd

531250123131341 has 4 divisors (see below), whose sum is σ = 531265180849884. Its totient is φ = 531235065412800.

The previous prime is 531250123131337. The next prime is 531250123131347. The reversal of 531250123131341 is 143131321052135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360614554941316 + 170635568190025 = 18989854^2 + 13062755^2 .

It is a cyclic number.

It is not a de Polignac number, because 531250123131341 - 22 = 531250123131337 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 (531250123131347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528806350 + ... + 7528876911.

It is an arithmetic number, because the mean of its divisors is an integer number (132816295212471).

Almost surely, 2531250123131341 is an apocalyptic number.

It is an amenable number.

531250123131341 is a deficient number, since it is larger than the sum of its proper divisors (15057718543).

531250123131341 is a wasteful number, since it uses less digits than its factorization.

531250123131341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057718542.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 531250123131341 its reverse (143131321052135), we get a palindrome (674381444183476).

The spelling of 531250123131341 in words is "five hundred thirty-one trillion, two hundred fifty billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 35281 15057683261 531250123131341