Search a number
-
+
33140302421 = 297914465431
BaseRepresentation
bin11110110111010100…
…001110001001010101
310011112121022210110012
4132313110032021111
51020332404134141
623120251410005
72252150631332
oct366724161125
9104477283405
1033140302421
1113066922796
12650a753905
133181b61505
141865533989
15cde683ceb
hex7b750e255

33140302421 has 8 divisors (see below), whose sum is σ = 34717036800. Its totient is φ = 31592499120.

The previous prime is 33140302411. The next prime is 33140302423. The reversal of 33140302421 is 12420304133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33140302421 - 218 = 33140040277 is a prime.

It is a super-2 number, since 2×331403024212 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33140302423) 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 7 ways as a sum of consecutive naturals, for example, 7230425 + ... + 7235006.

It is an arithmetic number, because the mean of its divisors is an integer number (4339629600).

Almost surely, 233140302421 is an apocalyptic number.

It is an amenable number.

33140302421 is a deficient number, since it is larger than the sum of its proper divisors (1576734379).

33140302421 is a wasteful number, since it uses less digits than its factorization.

33140302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465539.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33140302421 its reverse (12420304133), we get a palindrome (45560606554).

The spelling of 33140302421 in words is "thirty-three billion, one hundred forty million, three hundred two thousand, four hundred twenty-one".

Divisors: 1 29 79 2291 14465431 419497499 1142769049 33140302421