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51030051424 = 2511236303119
BaseRepresentation
bin101111100001101000…
…001100101001100000
311212201101001012112121
4233201220030221200
51314002143121144
635235355034024
73454400165062
oct574150145140
9155641035477
1051030051424
111a707151a20
129a81a3b914
134a7329c401
142681461732
1514da010384
hexbe1a0ca60

51030051424 has 48 divisors (see below), whose sum is σ = 114363809280. Its totient is φ = 22186975360.

The previous prime is 51030051409. The next prime is 51030051431. The reversal of 51030051424 is 42415003015.

It is a happy number.

It is a super-2 number, since 2×510300514242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3143464 + ... + 3159655.

It is an arithmetic number, because the mean of its divisors is an integer number (2382579360).

Almost surely, 251030051424 is an apocalyptic number.

It is an amenable number.

51030051424 is an abundant number, since it is smaller than the sum of its proper divisors (63333757856).

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

51030051424 is a wasteful number, since it uses less digits than its factorization.

51030051424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303163 (or 6303155 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51030051424 its reverse (42415003015), we get a palindrome (93445054439).

The spelling of 51030051424 in words is "fifty-one billion, thirty million, fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 88 92 176 184 253 352 368 506 736 1012 2024 4048 8096 6303119 12606238 25212476 50424952 69334309 100849904 138668618 144971737 201699808 277337236 289943474 554674472 579886948 1109348944 1159773896 1594689107 2218697888 2319547792 3189378214 4639095584 6378756428 12757512856 25515025712 51030051424