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51100001120 = 255745625001
BaseRepresentation
bin101111100101110011…
…000010001101100000
311212220020200000111002
4233211303002031200
51314123100013440
635250334211132
73456206562050
oct574563021540
9155806600432
1051100001120
111a742689193
129aa1353aa8
134a8492106c
14268a86d560
1514e122b115
hexbe5cc2360

51100001120 has 48 divisors (see below), whose sum is σ = 137970006048. Its totient is φ = 17520000000.

The previous prime is 51100001119. The next prime is 51100001129. The reversal of 51100001120 is 2110000115.

It is a super-2 number, since 2×511000011202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100001129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22811381 + ... + 22813620.

It is an arithmetic number, because the mean of its divisors is an integer number (2874375126).

Almost surely, 251100001120 is an apocalyptic number.

It is an amenable number.

51100001120 is an abundant number, since it is smaller than the sum of its proper divisors (86870004928).

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

51100001120 is a wasteful number, since it uses less digits than its factorization.

51100001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625023 (or 45625015 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

Adding to 51100001120 its reverse (2110000115), we get a palindrome (53210001235).

The spelling of 51100001120 in words is "fifty-one billion, one hundred million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 45625001 91250002 182500004 228125005 319375007 365000008 456250010 638750014 730000016 912500020 1277500028 1460000032 1596875035 1825000040 2555000056 3193750070 3650000080 5110000112 6387500140 7300000160 10220000224 12775000280 25550000560 51100001120