Search a number
-
+
33407812933 = 113037073903
BaseRepresentation
bin11111000111010000…
…101100010101000101
310012020020200201212221
4133013100230111011
51021404400003213
623203005212341
72261606503345
oct370720542505
9105206621787
1033407812933
1113193926360
1265842610b1
1331c53c5161
14188cc8ad25
15d07dc638d
hex7c742c545

33407812933 has 4 divisors (see below), whose sum is σ = 36444886848. Its totient is φ = 30370739020.

The previous prime is 33407812927. The next prime is 33407812981. The reversal of 33407812933 is 33921870433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33407812933 - 25 = 33407812901 is a prime.

It is a super-2 number, since 2×334078129332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33407812933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33407812033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518536941 + ... + 1518536962.

It is an arithmetic number, because the mean of its divisors is an integer number (9111221712).

Almost surely, 233407812933 is an apocalyptic number.

It is an amenable number.

33407812933 is a deficient number, since it is larger than the sum of its proper divisors (3037073915).

33407812933 is a wasteful number, since it uses less digits than its factorization.

33407812933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037073914.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 33407812933 in words is "thirty-three billion, four hundred seven million, eight hundred twelve thousand, nine hundred thirty-three".

Divisors: 1 11 3037073903 33407812933