Search a number
-
+
52509960780 = 22352549343337
BaseRepresentation
bin110000111001110101…
…100110101001001100
312000112111202101112020
4300321311212221030
51330020022221110
640042302410140
73536150205444
oct607165465114
9160474671466
1052509960780
11202a655a802
12a215590950
134c4aa78c14
142781c15124
151574ddbd70
hexc39d66a4c

52509960780 has 48 divisors (see below), whose sum is σ = 147085999200. Its totient is φ = 13997122048.

The previous prime is 52509960761. The next prime is 52509960799. The reversal of 52509960780 is 8706990525.

It is a happy number.

52509960780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52509960761) and next prime (52509960799).

It is a super-2 number, since 2×525099607802 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18729 + ... + 324608.

It is an arithmetic number, because the mean of its divisors is an integer number (3064291650).

Almost surely, 252509960780 is an apocalyptic number.

It is an amenable number.

52509960780 is an abundant number, since it is smaller than the sum of its proper divisors (94576038420).

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

52509960780 is a wasteful number, since it uses less digits than its factorization.

52509960780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345898 (or 345896 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 52509960780 in words is "fifty-two billion, five hundred nine million, nine hundred sixty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2549 5098 7647 10196 12745 15294 25490 30588 38235 50980 76470 152940 343337 686674 1030011 1373348 1716685 2060022 3433370 4120044 5150055 6866740 10300110 20600220 875166013 1750332026 2625498039 3500664052 4375830065 5250996078 8751660130 10501992156 13127490195 17503320260 26254980390 52509960780