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50637116831 = 7257208713487
BaseRepresentation
bin101111001010001101…
…010001010110011111
311211200222200001121112
4233022031101112133
51312201100214311
635132401052235
73441556251140
oct571215212637
9154628601545
1050637116831
111a525372394
12999232707b
134a0ca62a32
1426451b9ac7
1514b579528b
hexbca35159f

50637116831 has 16 divisors (see below), whose sum is σ = 58128316416. Its totient is φ = 43210438656.

The previous prime is 50637116813. The next prime is 50637116837. The reversal of 50637116831 is 13861173605.

It is a de Polignac number, because none of the positive numbers 2k-50637116831 is a prime.

It is a super-2 number, since 2×506371168312 (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 (50637116837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747770 + ... + 3761256.

It is an arithmetic number, because the mean of its divisors is an integer number (3633019776).

Almost surely, 250637116831 is an apocalyptic number.

50637116831 is a deficient number, since it is larger than the sum of its proper divisors (7491199585).

50637116831 is a wasteful number, since it uses less digits than its factorization.

50637116831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 50637116831 in words is "fifty billion, six hundred thirty-seven million, one hundred sixteen thousand, eight hundred thirty-one".

Divisors: 1 7 257 1799 2087 13487 14609 94409 536359 3466159 3754513 24263113 28147369 197031583 7233873833 50637116831