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51334310000 = 24548957679
BaseRepresentation
bin101111110011110000…
…110110100001110000
311220111120120010211202
4233303300312201300
51320113040410000
635325504230332
73465053302241
oct576360664160
9156446503752
1051334310000
111a852974996
129b4790b3a8
134ac132b67c
1426ada22cc8
151506ab0dd5
hexbf3c36870

51334310000 has 100 divisors (see below), whose sum is σ = 125684143200. Its totient is φ = 20302656000.

The previous prime is 51334309997. The next prime is 51334310051. The reversal of 51334310000 is 1343315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-4 number, since 4×513343100004 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 861161 + ... + 918839.

It is an arithmetic number, because the mean of its divisors is an integer number (1256841432).

Almost surely, 251334310000 is an apocalyptic number.

51334310000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51334310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62842071600).

51334310000 is an abundant number, since it is smaller than the sum of its proper divisors (74349833200).

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

51334310000 is an equidigital number, since it uses as much as digits as its factorization.

51334310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57796 (or 57775 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 51334310000 its reverse (1343315), we get a palindrome (51335653315).

The spelling of 51334310000 in words is "fifty-one billion, three hundred thirty-four million, three hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 125 178 200 250 356 400 445 500 625 712 890 1000 1250 1424 1780 2000 2225 2500 3560 4450 5000 7120 8900 10000 11125 17800 22250 35600 44500 55625 57679 89000 111250 115358 178000 222500 230716 288395 445000 461432 576790 890000 922864 1153580 1441975 2307160 2883950 4614320 5133431 5767900 7209875 10266862 11535800 14419750 20533724 23071600 25667155 28839500 36049375 41067448 51334310 57679000 72098750 82134896 102668620 115358000 128335775 144197500 205337240 256671550 288395000 410674480 513343100 576790000 641678875 1026686200 1283357750 2053372400 2566715500 3208394375 5133431000 6416788750 10266862000 12833577500 25667155000 51334310000