Search a number
-
+
33121630232 = 2313131604609
BaseRepresentation
bin11110110110001100…
…111111100000011000
310011111022012011000122
4132312030333200120
51020313114131412
623114343252412
72251533132425
oct366614774030
9104438164018
1033121630232
111305732a029
12650444a108
13317b024592
141862c72d4c
15cdcbe6572
hex7b633f818

33121630232 has 16 divisors (see below), whose sum is σ = 62577127800. Its totient is φ = 16434396160.

The previous prime is 33121630193. The next prime is 33121630237. The reversal of 33121630232 is 23203612133.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121630237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15801257 + ... + 15803352.

Almost surely, 233121630232 is an apocalyptic number.

It is an amenable number.

33121630232 is a deficient number, since it is larger than the sum of its proper divisors (29455497568).

33121630232 is a wasteful number, since it uses less digits than its factorization.

33121630232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31604746 (or 31604742 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The spelling of 33121630232 in words is "thirty-three billion, one hundred twenty-one million, six hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 131 262 524 1048 31604609 63209218 126418436 252836872 4140203779 8280407558 16560815116 33121630232