Search a number
-
+
50555105110551 = 31123107269139891
BaseRepresentation
bin10110111111010110001110…
…00101001110101000010111
320122000000120012100122010210
423133223013011032220113
523111243323402014201
6255304410014220503
713435325430126456
oct1337530705165027
9218000505318123
1050555105110551
1115121332958768
125805b024b4733
132229431182032
14c6ac47180b9d
155ca0c34031d6
hex2dfac714ea17

50555105110551 has 16 divisors (see below), whose sum is σ = 67467941920640. Its totient is φ = 33672836846880.

The previous prime is 50555105110513. The next prime is 50555105110571. The reversal of 50555105110551 is 15501150155505.

It is not a de Polignac number, because 50555105110551 - 221 = 50555103013399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555105110571) 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, 361319316 + ... + 361459206.

It is an arithmetic number, because the mean of its divisors is an integer number (4216746370040).

Almost surely, 250555105110551 is an apocalyptic number.

50555105110551 is a deficient number, since it is larger than the sum of its proper divisors (16912836810089).

50555105110551 is a wasteful number, since it uses less digits than its factorization.

50555105110551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248286.

The product of its (nonzero) digits is 78125, while the sum is 39.

The spelling of 50555105110551 in words is "fifty trillion, five hundred fifty-five billion, one hundred five million, one hundred ten thousand, five hundred fifty-one".

Divisors: 1 3 1123 3369 107269 139891 321807 419673 120463087 157097593 361389261 471292779 15005967679 45017903037 16851701703517 50555105110551