Search a number
-
+
561050510205 = 35311206560237
BaseRepresentation
bin10000010101000010011…
…01110110001101111101
31222122011120111222002010
420022201031312031331
533143012412311310
61105424255321433
755351232436123
oct10124115661575
91878146458063
10561050510205
111a6a38428409
129089a820279
1340ba341b823
141d225411913
15e8da6e3320
hex82a137637d

561050510205 has 16 divisors (see below), whose sum is σ = 926638262784. Its totient is φ = 289574456640.

The previous prime is 561050510203. The next prime is 561050510227. The reversal of 561050510205 is 502015050165.

561050510205 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561050510205 - 21 = 561050510203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561050510203) 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, 603279654 + ... + 603280583.

It is an arithmetic number, because the mean of its divisors is an integer number (57914891424).

Almost surely, 2561050510205 is an apocalyptic number.

It is an amenable number.

561050510205 is a deficient number, since it is larger than the sum of its proper divisors (365587752579).

561050510205 is a wasteful number, since it uses less digits than its factorization.

561050510205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206560276.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 561050510205 in words is "five hundred sixty-one billion, fifty million, five hundred ten thousand, two hundred five".

Divisors: 1 3 5 15 31 93 155 465 1206560237 3619680711 6032801185 18098403555 37403367347 112210102041 187016836735 561050510205