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25432130453551 = 378910970854023
BaseRepresentation
bin1011100100001011000010…
…00110100000000000101111
310100001021202220021011021221
411302011201012200000233
511313140000344003201
6130031205350004211
75233260621025543
oct562054106400057
9110037686234257
1025432130453551
118115784699238
122a28b01046667
13112631656c813
1463ccc9147a23
152e1834b5a4a1
hex1721611a002f

25432130453551 has 16 divisors (see below), whose sum is σ = 26655283828800. Its totient is φ = 24242278503168.

The previous prime is 25432130453539. The next prime is 25432130453557. The reversal of 25432130453551 is 15535403123452.

It is a cyclic number.

It is not a de Polignac number, because 25432130453551 - 217 = 25432130322479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25432130453498 and 25432130453507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432130453557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35068075 + ... + 35785948.

It is an arithmetic number, because the mean of its divisors is an integer number (1665955239300).

Almost surely, 225432130453551 is an apocalyptic number.

25432130453551 is a deficient number, since it is larger than the sum of its proper divisors (1223153375249).

25432130453551 is a wasteful number, since it uses less digits than its factorization.

25432130453551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70854258.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 25432130453551 in words is "twenty-five trillion, four hundred thirty-two billion, one hundred thirty million, four hundred fifty-three thousand, five hundred fifty-one".

Divisors: 1 37 89 109 3293 4033 9701 358937 70854023 2621598851 6306008047 7723088507 233322297739 285754274759 687354877123 25432130453551