Search a number
-
+
52505020204 = 22713197591819
BaseRepresentation
bin110000111001100010…
…110000011100101100
312000112011110101022221
4300321202300130230
51330012241121304
640042004445124
73536060210440
oct607142603454
9160464411287
1052505020204
11202a379588a
12a2139a97a4
134c49a391c0
1427812ca820
151574763054
hexc398b072c

52505020204 has 48 divisors (see below), whose sum is σ = 119039737600. Its totient is φ = 19677992256.

The previous prime is 52505020187. The next prime is 52505020207. The reversal of 52505020204 is 40202050525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52505020207) 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, 3788994 + ... + 3802825.

Almost surely, 252505020204 is an apocalyptic number.

It is an amenable number.

52505020204 is an abundant number, since it is smaller than the sum of its proper divisors (66534717396).

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

52505020204 is a wasteful number, since it uses less digits than its factorization.

52505020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591862 (or 7591860 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 52505020204 its reverse (40202050525), we get a palindrome (92707070729).

The spelling of 52505020204 in words is "fifty-two billion, five hundred five million, twenty thousand, two hundred four".

Divisors: 1 2 4 7 13 14 19 26 28 38 52 76 91 133 182 247 266 364 494 532 988 1729 3458 6916 7591819 15183638 30367276 53142733 98693647 106285466 144244561 197387294 212570932 288489122 394774588 576978244 690855529 1009711927 1381711058 1875179293 2019423854 2763422116 3750358586 4038847708 7500717172 13126255051 26252510102 52505020204