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51314415500 = 2253434994783
BaseRepresentation
bin101111110010100100…
…111101011110001100
311220110012010101201102
4233302210331132030
51320042442244000
635323514002232
73464422222625
oct576244753614
9156405111642
1051314415500
111a842716957
129b41116378
134aba18428a
1426ab124a4c
151504e813d5
hexbf293d78c

51314415500 has 96 divisors (see below), whose sum is σ = 114930816000. Its totient is φ = 20004062400.

The previous prime is 51314415437. The next prime is 51314415553. The reversal of 51314415500 is 551441315.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10726109 + ... + 10730891.

It is an arithmetic number, because the mean of its divisors is an integer number (1197196000).

Almost surely, 251314415500 is an apocalyptic number.

51314415500 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 51314415500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57465408000).

51314415500 is an abundant number, since it is smaller than the sum of its proper divisors (63616400500).

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

51314415500 is a wasteful number, since it uses less digits than its factorization.

51314415500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 51314415500 its reverse (551441315), we get a palindrome (51865856815).

The spelling of 51314415500 in words is "fifty-one billion, three hundred fourteen million, four hundred fifteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 125 172 215 250 430 499 500 860 998 1075 1996 2150 2495 4300 4783 4990 5375 9566 9980 10750 12475 19132 21457 21500 23915 24950 42914 47830 49900 62375 85828 95660 107285 119575 124750 205669 214570 239150 249500 411338 429140 478300 536425 597875 822676 1028345 1072850 1195750 2056690 2145700 2386717 2391500 2682125 4113380 4773434 5141725 5364250 9546868 10283450 10728500 11933585 20566900 23867170 25708625 47734340 51417250 59667925 102628831 102834500 119335850 205257662 238671700 298339625 410515324 513144155 596679250 1026288310 1193358500 2052576620 2565720775 5131441550 10262883100 12828603875 25657207750 51314415500