Search a number
-
+
50712100269389 = 133900930789953
BaseRepresentation
bin10111000011111010101001…
…01110001110110101001101
320122120000210110110000222022
423201331110232032311031
523121331340132110024
6255504452305255525
713452554056015016
oct1341752456166515
9218500713400868
1050712100269389
11151819765a4219
1258304179345a5
13223b190a30a20
14c7469b98c00d
155ce21119235e
hex2e1f54b8ed4d

50712100269389 has 4 divisors (see below), whose sum is σ = 54613031059356. Its totient is φ = 46811169479424.

The previous prime is 50712100269353. The next prime is 50712100269401. The reversal of 50712100269389 is 98396200121705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32553209513764 + 18158890755625 = 5705542^2 + 4261325^2 .

It is a cyclic number.

It is not a de Polignac number, because 50712100269389 - 228 = 50711831833933 is a prime.

It is a super-2 number, since 2×507121002693892 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50712100269389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50712100269329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950465394964 + ... + 1950465394989.

It is an arithmetic number, because the mean of its divisors is an integer number (13653257764839).

Almost surely, 250712100269389 is an apocalyptic number.

It is an amenable number.

50712100269389 is a deficient number, since it is larger than the sum of its proper divisors (3900930789967).

50712100269389 is a wasteful number, since it uses less digits than its factorization.

50712100269389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900930789966.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 50712100269389 in words is "fifty trillion, seven hundred twelve billion, one hundred million, two hundred sixty-nine thousand, three hundred eighty-nine".

Divisors: 1 13 3900930789953 50712100269389