Search a number
-
+
505212641230 = 251123199688791
BaseRepresentation
bin1110101101000010000…
…01010001111111001110
31210022001010201022201211
413112201001101333032
531234133414004410
61024031432125034
751333432411163
oct7264101217716
91708033638654
10505212641230
11185294401a60
1281ab683677a
133884506b77b
141a64963806a
15d21d58e68a
hex75a1051fce

505212641230 has 32 divisors (see below), whose sum is σ = 1035186697728. Its totient is φ = 175726135200.

The previous prime is 505212641191. The next prime is 505212641239. The reversal of 505212641230 is 32146212505.

It is a junction number, because it is equal to n+sod(n) for n = 505212641192 and 505212641201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505212641239) 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, 99841866 + ... + 99846925.

It is an arithmetic number, because the mean of its divisors is an integer number (32349584304).

Almost surely, 2505212641230 is an apocalyptic number.

505212641230 is an abundant number, since it is smaller than the sum of its proper divisors (529974056498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505212641230 is a wasteful number, since it uses less digits than its factorization.

505212641230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199688832.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 505212641230 its reverse (32146212505), we get a palindrome (537358853735).

The spelling of 505212641230 in words is "five hundred five billion, two hundred twelve million, six hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 199688791 399377582 998443955 1996887910 2196576701 4393153402 4592842193 9185684386 10982883505 21965767010 22964210965 45928421930 50521264123 101042528246 252606320615 505212641230