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25420014540311 = 43715035814937
BaseRepresentation
bin1011100011110100011101…
…11011111101011000010111
310100000010111112000222212112
411301322032323331120113
511312440142210242221
6130021443215541235
75232351441331406
oct561721673753027
9110003445028775
1025420014540311
1181106275672a6
122a2669b52a81b
1311251353b22a1
1463c499d9563d
152e137614015b
hex171e8eefd617

25420014540311 has 4 divisors (see below), whose sum is σ = 25420024726752. Its totient is φ = 25420004353872.

The previous prime is 25420014540233. The next prime is 25420014540313. The reversal of 25420014540311 is 11304541002452.

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 a cyclic number.

It is not a de Polignac number, because 25420014540311 - 210 = 25420014539287 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 (25420014540313) 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, 1464035 + ... + 7278971.

It is an arithmetic number, because the mean of its divisors is an integer number (6355006181688).

Almost surely, 225420014540311 is an apocalyptic number.

25420014540311 is a deficient number, since it is larger than the sum of its proper divisors (10186441).

25420014540311 is an equidigital number, since it uses as much as digits as its factorization.

25420014540311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186440.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 25420014540311 its reverse (11304541002452), we get a palindrome (36724555542763).

The spelling of 25420014540311 in words is "twenty-five trillion, four hundred twenty billion, fourteen million, five hundred forty thousand, three hundred eleven".

Divisors: 1 4371503 5814937 25420014540311