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34401332021 = 77962208557
BaseRepresentation
bin100000000010011110…
…101010101100110101
310021210111011201212012
4200002132222230311
51030423220111041
623445335534005
72325332332430
oct400236525465
9107714151765
1034401332021
1113653722a11
126800b2a305
1333231a3484
141944bcc817
15d652273eb
hex8027aab35

34401332021 has 8 divisors (see below), whose sum is σ = 39813477120. Its totient is φ = 29113604208.

The previous prime is 34401331969. The next prime is 34401332029. The reversal of 34401332021 is 12023310443.

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 34401332021 - 218 = 34401069877 is a prime.

It is a super-3 number, since 3×344013320213 (a number of 33 digits) contains 333 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 (34401332029) 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, 31103726 + ... + 31104831.

It is an arithmetic number, because the mean of its divisors is an integer number (4976684640).

Almost surely, 234401332021 is an apocalyptic number.

It is an amenable number.

34401332021 is a deficient number, since it is larger than the sum of its proper divisors (5412145099).

34401332021 is an equidigital number, since it uses as much as digits as its factorization.

34401332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62208643.

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

Adding to 34401332021 its reverse (12023310443), we get a palindrome (46424642464).

The spelling of 34401332021 in words is "thirty-four billion, four hundred one million, three hundred thirty-two thousand, twenty-one".

Divisors: 1 7 79 553 62208557 435459899 4914476003 34401332021