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28863144010425 = 3521725722300627
BaseRepresentation
bin1101001000000001110010…
…11100100010001010111001
310210012021211010120201202110
412210000321130202022321
512240343204331313200
6141215313441522533
76036202421046054
oct644007134421271
9123167733521673
1028863144010425
11921887737364a
1232a1a54643449
131314a23a7882a
1471adab0c7a9b
15350be387eb50
hex1a40397222b9

28863144010425 has 24 divisors (see below), whose sum is σ = 47723165514976. Its totient is φ = 15392784090240.

The previous prime is 28863144010367. The next prime is 28863144010439. The reversal of 28863144010425 is 52401044136882.

It is not a de Polignac number, because 28863144010425 - 219 = 28863143486137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9856039 + ... + 12444588.

Almost surely, 228863144010425 is an apocalyptic number.

28863144010425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28863144010425 is a deficient number, since it is larger than the sum of its proper divisors (18860021504551).

28863144010425 is a wasteful number, since it uses less digits than its factorization.

28863144010425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22317897 (or 22317892 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 28863144010425 in words is "twenty-eight trillion, eight hundred sixty-three billion, one hundred forty-four million, ten thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 17257 51771 86285 258855 431425 1294275 22300627 66901881 111503135 334509405 557515675 1672547025 384841920139 1154525760417 1924209600695 5772628802085 9621048003475 28863144010425