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51112016141 = 113837448993
BaseRepresentation
bin101111100110100000…
…110111100100001101
311212221002021102222212
4233212200313210031
51314134134004031
635251443520205
73456413653214
oct574640674415
9155832242885
1051112016141
111a74944525a
129aa5389065
134a87269b44
14268c2ba07b
1514e230112b
hexbe683790d

51112016141 has 4 divisors (see below), whose sum is σ = 51112578972. Its totient is φ = 51111453312.

The previous prime is 51112016129. The next prime is 51112016203. The reversal of 51112016141 is 14161021115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12939062500 + 38172953641 = 113750^2 + 195379^2 .

It is a cyclic number.

It is not a de Polignac number, because 51112016141 - 210 = 51112015117 is a prime.

It is a super-2 number, since 2×511120161412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112016101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 110660 + ... + 338333.

It is an arithmetic number, because the mean of its divisors is an integer number (12778144743).

Almost surely, 251112016141 is an apocalyptic number.

It is an amenable number.

51112016141 is a deficient number, since it is larger than the sum of its proper divisors (562831).

51112016141 is a wasteful number, since it uses less digits than its factorization.

51112016141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562830.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 51112016141 its reverse (14161021115), we get a palindrome (65273037256).

The spelling of 51112016141 in words is "fifty-one billion, one hundred twelve million, sixteen thousand, one hundred forty-one".

Divisors: 1 113837 448993 51112016141