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50931011945 = 5111019168499
BaseRepresentation
bin101111011011101110…
…011001000101101001
311212110110200110220202
4233123232121011221
51313301314340240
635221500201545
73452055313202
oct573356310551
9155413613822
1050931011945
111a666257110
129a548392b5
134a58903b78
1426722405a9
1514d149a315
hexbdbb99169

50931011945 has 16 divisors (see below), whose sum is σ = 67333464000. Its totient is φ = 36673992000.

The previous prime is 50931011941. The next prime is 50931011951. The reversal of 50931011945 is 54911013905.

It is not a de Polignac number, because 50931011945 - 22 = 50931011941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50931011899 and 50931011908.

It is not an unprimeable number, because it can be changed into a prime (50931011941) 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, 4578695 + ... + 4589804.

It is an arithmetic number, because the mean of its divisors is an integer number (4208341500).

Almost surely, 250931011945 is an apocalyptic number.

50931011945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50931011945 is a deficient number, since it is larger than the sum of its proper divisors (16402452055).

50931011945 is a wasteful number, since it uses less digits than its factorization.

50931011945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168616.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 50931011945 in words is "fifty billion, nine hundred thirty-one million, eleven thousand, nine hundred forty-five".

Divisors: 1 5 11 55 101 505 1111 5555 9168499 45842495 100853489 504267445 926018399 4630091995 10186202389 50931011945