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51036026434 = 217109121311353
BaseRepresentation
bin101111100001111110…
…111111011001000010
311212201210021202201021
4233201332333121002
51314010210321214
635240131100054
73454502031661
oct574176773102
9155653252637
1051036026434
111a70a563048
129a83a4162a
134a745b1c13
142682178dd8
1514da7e0924
hexbe1fbf642

51036026434 has 32 divisors (see below), whose sum is σ = 81875510640. Its totient is φ = 23774902272.

The previous prime is 51036026413. The next prime is 51036026443. The reversal of 51036026434 is 43462063015.

It can be written as a sum of positive squares in 8 ways, for example, as 17530554409 + 33505472025 = 132403^2 + 183045^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 51036026434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4489702 + ... + 4501054.

Almost surely, 251036026434 is an apocalyptic number.

51036026434 is a deficient number, since it is larger than the sum of its proper divisors (30839484206).

51036026434 is a wasteful number, since it uses less digits than its factorization.

51036026434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12694.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 51036026434 its reverse (43462063015), we get a palindrome (94498089449).

The spelling of 51036026434 in words is "fifty-one billion, thirty-six million, twenty-six thousand, four hundred thirty-four".

Divisors: 1 2 17 34 109 218 1213 1853 2426 3706 11353 20621 22706 41242 132217 193001 264434 386002 1237477 2247689 2474954 4495378 13771189 21037109 27542378 42074218 234110213 468220426 1501059601 3002119202 25518013217 51036026434