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42512455012 = 2261717973079
BaseRepresentation
bin100111100101111100…
…001001010101100100
311001201202200110211211
4213211330021111210
51144031142030022
631310245241204
73033332622346
oct474574112544
9131652613754
1042512455012
1117036199745
1282a5403204
134016752b31
1420b4141296
15118c372e77
hex9e5f09564

42512455012 has 48 divisors (see below), whose sum is σ = 76802584320. Its totient is φ = 20580739200.

The previous prime is 42512455001. The next prime is 42512455019. The reversal of 42512455012 is 21055421524.

42512455012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×425124550122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42512455019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13805689 + ... + 13808767.

It is an arithmetic number, because the mean of its divisors is an integer number (1600053840).

Almost surely, 242512455012 is an apocalyptic number.

It is an amenable number.

42512455012 is a deficient number, since it is larger than the sum of its proper divisors (34290129308).

42512455012 is a wasteful number, since it uses less digits than its factorization.

42512455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012 (or 4010 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 42512455012 its reverse (21055421524), we get a palindrome (63567876536).

The spelling of 42512455012 in words is "forty-two billion, five hundred twelve million, four hundred fifty-five thousand, twelve".

Divisors: 1 2 4 61 71 122 142 244 284 797 1594 3079 3188 4331 6158 8662 12316 17324 48617 56587 97234 113174 187819 194468 218609 226348 375638 437218 751276 874436 2453963 3451807 4907926 6903614 9815852 13335149 13807228 26670298 53340596 149691743 174231373 299383486 348462746 598766972 696925492 10628113753 21256227506 42512455012