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51232794406 = 2129726177547
BaseRepresentation
bin101111101101101101…
…100110011100100110
311220020111112121121221
4233231231212130212
51314411043410111
635311440330554
73462411365353
oct575555463446
9156214477557
1051232794406
111a800638802
129b19913a5a
134aa62a7081
1426a035962a
1514ecc0c371
hexbedb66726

51232794406 has 16 divisors (see below), whose sum is σ = 76948025616. Its totient is φ = 25583475456.

The previous prime is 51232794269. The next prime is 51232794409. The reversal of 51232794406 is 60449723215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232794409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6784725 + ... + 6792271.

It is an arithmetic number, because the mean of its divisors is an integer number (4809251601).

Almost surely, 251232794406 is an apocalyptic number.

51232794406 is a deficient number, since it is larger than the sum of its proper divisors (25715231210).

51232794406 is a wasteful number, since it uses less digits than its factorization.

51232794406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 51232794406 in words is "fifty-one billion, two hundred thirty-two million, seven hundred ninety-four thousand, four hundred six".

Divisors: 1 2 1297 2594 2617 5234 7547 15094 3394249 6788498 9788459 19576918 19750499 39500998 25616397203 51232794406