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25042411027 = 191318021633
BaseRepresentation
bin10111010100101001…
…001101111000010011
32101122020201021210201
4113110221031320103
5402241324123102
615300533440031
71544400660454
oct272451157023
971566637721
1025042411027
11a690874067
124a2a7a0017
1324912655ba
1412d7c6712b
159b879d987
hex5d4a4de13

25042411027 has 4 divisors (see below), whose sum is σ = 26360432680. Its totient is φ = 23724389376.

The previous prime is 25042411021. The next prime is 25042411057. The reversal of 25042411027 is 72011424052.

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

It is a cyclic number.

It is not a de Polignac number, because 25042411027 - 231 = 22894927379 is a prime.

It is a super-2 number, since 2×250424110272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25042410986 and 25042411004.

It is not an unprimeable number, because it can be changed into a prime (25042411021) 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, 659010798 + ... + 659010835.

It is an arithmetic number, because the mean of its divisors is an integer number (6590108170).

Almost surely, 225042411027 is an apocalyptic number.

25042411027 is a deficient number, since it is larger than the sum of its proper divisors (1318021653).

25042411027 is a wasteful number, since it uses less digits than its factorization.

25042411027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318021652.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 25042411027 its reverse (72011424052), we get a palindrome (97053835079).

The spelling of 25042411027 in words is "twenty-five billion, forty-two million, four hundred eleven thousand, twenty-seven".

Divisors: 1 19 1318021633 25042411027