Search a number
-
+
33010013320 = 2355315570761
BaseRepresentation
bin11110101111100011…
…001101010010001000
310011012112011102101221
4132233203031102020
51020101030411240
623055315051424
72246006324614
oct365743152210
9104175142357
1033010013320
1112aaa323649
126492ba0b74
133160b7427b
1418520da344
15cd2ee9a4a
hex7af8cd488

33010013320 has 32 divisors (see below), whose sum is σ = 75673903320. Its totient is φ = 12954872320.

The previous prime is 33010013293. The next prime is 33010013327. The reversal of 33010013320 is 2331001033.

It can be written as a sum of positive squares in 4 ways, for example, as 33005442276 + 4571044 = 181674^2 + 2138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33010013294 and 33010013303.

It is not an unprimeable number, because it can be changed into a prime (33010013327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7783261 + ... + 7787500.

Almost surely, 233010013320 is an apocalyptic number.

It is an amenable number.

33010013320 is an abundant number, since it is smaller than the sum of its proper divisors (42663890000).

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

33010013320 is a wasteful number, since it uses less digits than its factorization.

33010013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570825 (or 15570821 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 33010013320 its reverse (2331001033), we get a palindrome (35341014353).

The spelling of 33010013320 in words is "thirty-three billion, ten million, thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 15570761 31141522 62283044 77853805 124566088 155707610 311415220 622830440 825250333 1650500666 3301001332 4126251665 6602002664 8252503330 16505006660 33010013320