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51210141450 = 23521326261611
BaseRepresentation
bin101111101100010111…
…001011111100001010
311220011220220201121120
4233230113023330022
51314334244011300
635305311020110
73462015006636
oct575427137412
9156156821546
1051210141450
111a799876256
129b1220a636
134aa16a5260
14269b33ddc6
1514eac353a0
hexbec5cbf0a

51210141450 has 48 divisors (see below), whose sum is σ = 136770475296. Its totient is φ = 12605572800.

The previous prime is 51210141443. The next prime is 51210141473. The reversal of 51210141450 is 5414101215.

It is a self number, because there is not a number n which added to its sum of digits gives 51210141450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13128856 + ... + 13132755.

It is an arithmetic number, because the mean of its divisors is an integer number (2849384902).

Almost surely, 251210141450 is an apocalyptic number.

51210141450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51210141450 is an abundant number, since it is smaller than the sum of its proper divisors (85560333846).

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

51210141450 is a wasteful number, since it uses less digits than its factorization.

51210141450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261639 (or 26261634 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 51210141450 its reverse (5414101215), we get a palindrome (56624242665).

The spelling of 51210141450 in words is "fifty-one billion, two hundred ten million, one hundred forty-one thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 26261611 52523222 78784833 131308055 157569666 262616110 341400943 393924165 656540275 682801886 787848330 1024202829 1313080550 1707004715 1969620825 2048405658 3414009430 3939241650 5121014145 8535023575 10242028290 17070047150 25605070725 51210141450