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25510143252013 = 71923154319792731
BaseRepresentation
bin1011100110011100010110…
…00001101101011000101101
310100022202010202002221020221
411303032023001231120231
511320424233133031023
6130131110435011341
75242022062621630
oct563161301553055
9110282122087227
1025510143252013
1181458778aa3a2
122a40053439b51
131130799a8b824
146429a9dd9c17
152e389d94385d
hex17338b06d62d

25510143252013 has 64 divisors (see below), whose sum is σ = 32071879065600. Its totient is φ = 19784256972480.

The previous prime is 25510143251987. The next prime is 25510143252029. The reversal of 25510143252013 is 31025234101552.

It is not a de Polignac number, because 25510143252013 - 213 = 25510143243821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25510143252013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25510143250013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9340951858 + ... + 9340954588.

It is an arithmetic number, because the mean of its divisors is an integer number (501123110400).

Almost surely, 225510143252013 is an apocalyptic number.

25510143252013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25510143252013 is a deficient number, since it is larger than the sum of its proper divisors (6561735813587).

25510143252013 is a wasteful number, since it uses less digits than its factorization.

25510143252013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 25510143252013 its reverse (31025234101552), we get a palindrome (56535377353565).

The spelling of 25510143252013 in words is "twenty-five trillion, five hundred ten billion, one hundred forty-three million, two hundred fifty-two thousand, thirteen".

Divisors: 1 7 19 23 133 161 437 1543 1979 2731 3059 10801 13853 19117 29317 35489 37601 45517 51889 62813 205219 248423 263207 318619 363223 439691 674291 864823 1193447 3053597 4213933 4720037 5404649 6053761 8354129 21375179 29497531 37832543 58018343 70232731 80064727 96920459 102688331 124306927 406128401 491629117 560453089 678443213 718818317 870148489 1334421889 1841488721 2361831613 8339373407 9340953223 12890421047 16532821291 58375613849 158448094733 191805588361 1109136663131 1342639118527 3644306178859 25510143252013