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51000101061100 = 2252211223934787
BaseRepresentation
bin10111001100010011000101…
…11010000100000111101100
320200120120011201202010101121
423212021202322010013230
523141041201332423400
6300245042321550324
713512431022242002
oct1346114272040754
9220516151663347
1051000101061100
111528302652a754
1258781b27a53a4
13225c39a914289
14c845bd23aa72
155d696a1da21a
hex2e6262e841ec

51000101061100 has 108 divisors (see below), whose sum is σ = 111266914914792. Its totient is φ = 20290633708800.

The previous prime is 51000101061047. The next prime is 51000101061103. The reversal of 51000101061100 is 116010100015.

51000101061100 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51000101061103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10653872907 + ... + 10653877693.

It is an arithmetic number, because the mean of its divisors is an integer number (1030249212174).

Almost surely, 251000101061100 is an apocalyptic number.

51000101061100 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 51000101061100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55633457457396).

51000101061100 is an abundant number, since it is smaller than the sum of its proper divisors (60266813853692).

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

51000101061100 is a wasteful number, since it uses less digits than its factorization.

51000101061100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616 (or 7398 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 51000101061100 its reverse (116010100015), we get a palindrome (51116111161115).

The spelling of 51000101061100 in words is "fifty-one trillion, one hundred one million, sixty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 211 422 844 1055 2110 2393 4220 4786 4787 5275 9572 9574 10550 11965 19148 21100 23930 23935 44521 47860 47870 59825 89042 95740 119650 119675 178084 222605 239300 239350 445210 478700 504923 890420 1009846 1010057 1113025 2019692 2020114 2226050 2524615 4040228 4452100 5049230 5050285 10098460 10100570 11455291 12623075 20201140 22910582 25246150 25251425 45821164 50492300 50502850 57276455 101005700 106538753 114552910 213077506 213122027 229105820 286382275 426155012 426244054 532693765 572764550 852488108 1065387530 1065610135 1145529100 2130775060 2131220270 2417066401 2663468825 4262440540 4834132802 5326937650 5328050675 9668265604 10653875300 10656101350 12085332005 21312202700 24170664010 48341328020 60426660025 120853320050 241706640100 510001010611 1020002021222 2040004042444 2550005053055 5100010106110 10200020212220 12750025265275 25500050530550 51000101061100