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51105163314724 = 2212776290828681
BaseRepresentation
bin10111001111010110110010…
…00110110000011000100100
320200221121100200220121010021
423213223121012300120210
523144301333302032344
6300405215442404524
713523140405536301
oct1347533106603044
9220847320817107
1051105163314724
111531363a422932
125894633960744
13226927213b25c
14c897087260a8
155d9568a76b84
hex2e7ad91b0624

51105163314724 has 6 divisors (see below), whose sum is σ = 89434035800774. Its totient is φ = 25552581657360.

The previous prime is 51105163314691. The next prime is 51105163314739. The reversal of 51105163314724 is 42741336150115.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32244226560000 + 18860936754724 = 5678400^2 + 4342918^2 .

It is a super-2 number, since 2×511051633147242 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388145414337 + ... + 6388145414344.

Almost surely, 251105163314724 is an apocalyptic number.

It is an amenable number.

51105163314724 is a deficient number, since it is larger than the sum of its proper divisors (38328872486050).

51105163314724 is a wasteful number, since it uses less digits than its factorization.

51105163314724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776290828685 (or 12776290828683 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 51105163314724 its reverse (42741336150115), we get a palindrome (93846499464839).

The spelling of 51105163314724 in words is "fifty-one trillion, one hundred five billion, one hundred sixty-three million, three hundred fourteen thousand, seven hundred twenty-four".

Divisors: 1 2 4 12776290828681 25552581657362 51105163314724