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34221332440 = 2351945028069
BaseRepresentation
bin11111110111110000…
…000001011111011000
310021022221110210212001
4133313300001133120
51030041130114230
623415425530344
72321015345341
oct376760013730
9107287423761
1034221332440
1113571060629
1267707a39b4
1332c4acc849
141928d350c8
15d5451e0ca
hex7f7c017d8

34221332440 has 32 divisors (see below), whose sum is σ = 81050526000. Its totient is φ = 12968083584.

The previous prime is 34221332423. The next prime is 34221332441. The reversal of 34221332440 is 4423312243.

It is a junction number, because it is equal to n+sod(n) for n = 34221332399 and 34221332408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34221332441) 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, 22513275 + ... + 22514794.

Almost surely, 234221332440 is an apocalyptic number.

It is an amenable number.

34221332440 is an abundant number, since it is smaller than the sum of its proper divisors (46829193560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34221332440 is a wasteful number, since it uses less digits than its factorization.

34221332440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45028099 (or 45028095 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 34221332440 its reverse (4423312243), we get a palindrome (38644644683).

The spelling of 34221332440 in words is "thirty-four billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 45028069 90056138 180112276 225140345 360224552 450280690 855533311 900561380 1711066622 1801122760 3422133244 4277666555 6844266488 8555333110 17110666220 34221332440