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34444101221 = 67514091063
BaseRepresentation
bin100000000101000001…
…110100011001100101
310021220110122122011122
4200011001310121211
51031020142214341
623453504343325
72326362013115
oct400501643145
9107813578148
1034444101221
1113675885062
126813314b45
13332bcc95aa
14194a763045
15d68d7494b
hex805074665

34444101221 has 4 divisors (see below), whose sum is σ = 34958192352. Its totient is φ = 33930010092.

The previous prime is 34444101173. The next prime is 34444101239. The reversal of 34444101221 is 12210144443.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12210144443 = 71744306349.

It is a cyclic number.

It is not a de Polignac number, because 34444101221 - 214 = 34444084837 is a prime.

It is a super-2 number, since 2×344441012212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34444101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257045465 + ... + 257045598.

It is an arithmetic number, because the mean of its divisors is an integer number (8739548088).

Almost surely, 234444101221 is an apocalyptic number.

It is an amenable number.

34444101221 is a deficient number, since it is larger than the sum of its proper divisors (514091131).

34444101221 is an equidigital number, since it uses as much as digits as its factorization.

34444101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514091130.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 34444101221 its reverse (12210144443), we get a palindrome (46654245664).

The spelling of 34444101221 in words is "thirty-four billion, four hundred forty-four million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 67 514091063 34444101221