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25004869139901 = 378531992770051
BaseRepresentation
bin1011010111101111001100…
…10101111011110110111101
310021112102221022201120022210
411223313212111323312331
511234134432444434101
6125103024525131033
75160353652546150
oct553674625736675
9107472838646283
1025004869139901
117a70561832462
12297a1400b9a79
1310c4c45079771
1462635655dc97
152d5679cb07d6
hex16bde657bdbd

25004869139901 has 32 divisors (see below), whose sum is σ = 38149785683968. Its totient is φ = 14270825851200.

The previous prime is 25004869139893. The next prime is 25004869139941. The reversal of 25004869139901 is 10993196840052.

It is not a de Polignac number, because 25004869139901 - 23 = 25004869139893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004869139941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356917326 + ... + 356987376.

It is an arithmetic number, because the mean of its divisors is an integer number (1192180802624).

Almost surely, 225004869139901 is an apocalyptic number.

25004869139901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25004869139901 is a deficient number, since it is larger than the sum of its proper divisors (13144916544067).

25004869139901 is a wasteful number, since it uses less digits than its factorization.

25004869139901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90841.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 25004869139901 in words is "twenty-five trillion, four billion, eight hundred sixty-nine million, one hundred thirty-nine thousand, nine hundred one".

Divisors: 1 3 7 21 853 2559 5971 17913 19927 59781 70051 139489 210153 418467 490357 1471071 16997731 50993193 59753503 118984117 179260509 356952351 418274521 1254823563 1395906277 4187718831 9771343939 29314031817 1190708054281 3572124162843 8334956379967 25004869139901