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50031140031 = 3273311636521
BaseRepresentation
bin101110100110000101…
…101001110010111111
311210010202102020201100
4232212011221302333
51304430432440111
634552312544143
73420550450005
oct564605516277
9153122366640
1050031140031
111a244302014
1298433b2053
134944353892
1425c8918a75
15147c496756
hexba6169cbf

50031140031 has 24 divisors (see below), whose sum is σ = 72439123536. Its totient is φ = 33274846080.

The previous prime is 50031140021. The next prime is 50031140077. The reversal of 50031140031 is 13004113005.

It is not a de Polignac number, because 50031140031 - 27 = 50031139903 is a prime.

It is a super-2 number, since 2×500311400312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50031139986 and 50031140013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50031140021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7669051 + ... + 7675571.

It is an arithmetic number, because the mean of its divisors is an integer number (3018296814).

Almost surely, 250031140031 is an apocalyptic number.

50031140031 is a deficient number, since it is larger than the sum of its proper divisors (22407983505).

50031140031 is a wasteful number, since it uses less digits than its factorization.

50031140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8420 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 50031140031 its reverse (13004113005), we get a palindrome (63035253036).

The spelling of 50031140031 in words is "fifty billion, thirty-one million, one hundred forty thousand, thirty-one".

Divisors: 1 3 9 733 1163 2199 3489 6521 6597 10467 19563 58689 852479 2557437 4779893 7583923 7672311 14339679 22751769 43019037 68255307 5559015559 16677046677 50031140031