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51033924231 = 3178389135463
BaseRepresentation
bin101111100001110110…
…111110001010000111
311212201122022222000220
4233201312332022013
51314004141033411
635240014035423
73454445125053
oct574166761207
9155648288026
1051033924231
111a709357694
129a831a8b73
134a74027104
142681b8cc63
1514da527b06
hexbe1dbe287

51033924231 has 32 divisors (see below), whose sum is σ = 73735764480. Its totient is φ = 31279801344.

The previous prime is 51033924217. The next prime is 51033924259. The reversal of 51033924231 is 13242933015.

It is not a de Polignac number, because 51033924231 - 25 = 51033924199 is a prime.

It is a super-2 number, since 2×510339242312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51033924192 and 51033924201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033924631) 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, 309006 + ... + 444468.

It is an arithmetic number, because the mean of its divisors is an integer number (2304242640).

Almost surely, 251033924231 is an apocalyptic number.

51033924231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51033924231 is a deficient number, since it is larger than the sum of its proper divisors (22701840249).

51033924231 is a wasteful number, since it uses less digits than its factorization.

51033924231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135655.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 51033924231 in words is "fifty-one billion, thirty-three million, nine hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 17 51 83 89 249 267 1411 1513 4233 4539 7387 22161 125579 135463 376737 406389 2302871 6908613 11243429 12056207 33730287 36168621 191138293 204955519 573414879 614866557 1000665181 3001995543 17011308077 51033924231