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40428002751 = 3313731093779
BaseRepresentation
bin100101101001101100…
…100101110110111111
310212100111102022220020
4211221230211312333
51130244032042001
630323344223223
72630562232143
oct455154456677
9125314368806
1040428002751
111616660a924
127a0330ab13
133a73949a26
141d57381223
1510b937c736
hex969b25dbf

40428002751 has 32 divisors (see below), whose sum is σ = 57180211200. Its totient is φ = 25362771840.

The previous prime is 40428002749. The next prime is 40428002759. The reversal of 40428002751 is 15720082404.

It is not a de Polignac number, because 40428002751 - 21 = 40428002749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40428002759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10696180 + ... + 10699958.

It is an arithmetic number, because the mean of its divisors is an integer number (1786881600).

Almost surely, 240428002751 is an apocalyptic number.

40428002751 is a deficient number, since it is larger than the sum of its proper divisors (16752208449).

40428002751 is a wasteful number, since it uses less digits than its factorization.

40428002751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959.

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 40428002751 in words is "forty billion, four hundred twenty-eight million, two thousand, seven hundred fifty-one".

Divisors: 1 3 31 37 93 111 1147 3109 3441 3779 9327 11337 96379 115033 117149 139823 289137 345099 351447 419469 3566023 4334513 10698069 11748911 13003539 35246733 364216241 434709707 1092648723 1304129121 13476000917 40428002751