Search a number
-
+
47775205213 = 1713125185469
BaseRepresentation
bin101100011111100111…
…111100011101011101
311120022112110212220221
4230133213330131131
51240320423031323
633540404241341
73310625354401
oct543747743535
9146275425827
1047775205213
111929694887a
1293139a0251
134674b696c8
14245307b101
1513993cb55d
hexb1f9fc75d

47775205213 has 16 divisors (see below), whose sum is σ = 51175333440. Its totient is φ = 44443360000.

The previous prime is 47775205199. The next prime is 47775205223. The reversal of 47775205213 is 31250257774.

It is a cyclic number.

It is not a de Polignac number, because 47775205213 - 217 = 47775074141 is a prime.

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 47775205213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47775205223) 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, 516243 + ... + 601711.

It is an arithmetic number, because the mean of its divisors is an integer number (3198458340).

Almost surely, 247775205213 is an apocalyptic number.

It is an amenable number.

47775205213 is a deficient number, since it is larger than the sum of its proper divisors (3400128227).

47775205213 is a wasteful number, since it uses less digits than its factorization.

47775205213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85868.

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 47775205213 in words is "forty-seven billion, seven hundred seventy-five million, two hundred five thousand, two hundred thirteen".

Divisors: 1 17 131 251 2227 4267 32881 85469 558977 1452973 11196439 21452719 190339463 364696223 2810306189 47775205213