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25143421152041 = 131491390905321
BaseRepresentation
bin1011011011110001010001…
…01011111010101100101001
310022000200120020210001010222
411231320220223322230221
511243422211303331131
6125250421143415425
75203360262325413
oct555705053725451
9108020506701128
1025143421152041
1180142a0830915
1229a0b68a54575
13110502595a6ba
1462cd3b7479b3
152d908880d87b
hex16de28afab29

25143421152041 has 8 divisors (see below), whose sum is σ = 25386955231968. Its totient is φ = 24900668884000.

The previous prime is 25143421152029. The next prime is 25143421152043. The reversal of 25143421152041 is 14025112434152.

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 25143421152041 - 218 = 25143420889897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25143421151992 and 25143421152010.

It is not an unprimeable number, because it can be changed into a prime (25143421152043) 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, 195388340 + ... + 195516981.

It is an arithmetic number, because the mean of its divisors is an integer number (3173369403996).

Almost surely, 225143421152041 is an apocalyptic number.

It is an amenable number.

25143421152041 is a deficient number, since it is larger than the sum of its proper divisors (243534079927).

25143421152041 is a wasteful number, since it uses less digits than its factorization.

25143421152041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390905943.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 25143421152041 its reverse (14025112434152), we get a palindrome (39168533586193).

The spelling of 25143421152041 in words is "twenty-five trillion, one hundred forty-three billion, four hundred twenty-one million, one hundred fifty-two thousand, forty-one".

Divisors: 1 131 491 64321 390905321 51208597051 191934512611 25143421152041