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51124215023504 = 2474111133322087
BaseRepresentation
bin10111001111111010010001…
…01011010000011110010000
320201000102112110001200100222
423213331020223100132100
523200104343021223004
6300422050134532212
713524413464434620
oct1347751053203620
9221012473050328
1051124215023504
11153207266366a7
125898270207068
13226acba211b0c
14c8a5d4ac0880
155d9cd14277be
hex2e7f48ad0790

51124215023504 has 40 divisors (see below), whose sum is σ = 115964682868608. Its totient is φ = 21375978405120.

The previous prime is 51124215023393. The next prime is 51124215023509. The reversal of 51124215023504 is 40532051242115.

51124215023504 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 2×511242150235042 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51124215023509) 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 7 ways as a sum of consecutive naturals, for example, 5566656452 + ... + 5566665635.

Almost surely, 251124215023504 is an apocalyptic number.

It is an amenable number.

51124215023504 is an abundant number, since it is smaller than the sum of its proper divisors (64840467845104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51124215023504 is a wasteful number, since it uses less digits than its factorization.

51124215023504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133322143 (or 11133322137 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 51124215023504 its reverse (40532051242115), we get a palindrome (91656266265619).

The spelling of 51124215023504 in words is "fifty-one trillion, one hundred twenty-four billion, two hundred fifteen million, twenty-three thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 41 56 82 112 164 287 328 574 656 1148 2296 4592 11133322087 22266644174 44533288348 77933254609 89066576696 155866509218 178133153392 311733018436 456466205567 623466036872 912932411134 1246932073744 1825864822268 3195263438969 3651729644536 6390526877938 7303459289072 12781053755876 25562107511752 51124215023504