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34531400442 = 23721120995087
BaseRepresentation
bin100000001010001110…
…110101101011111010
310022010112220220012010
4200022032311223322
51031210014303232
623510303430350
72331502026600
oct401216655372
9108115826163
1034531400442
1113710091280
1268385b53b6
133344114136
1419581a9870
15d7186b0cc
hex80a3b5afa

34531400442 has 96 divisors (see below), whose sum is σ = 87700838400. Its totient is φ = 8963159520.

The previous prime is 34531400411. The next prime is 34531400447. The reversal of 34531400442 is 24400413543.

34531400442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (34531400447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6785623 + ... + 6790709.

It is an arithmetic number, because the mean of its divisors is an integer number (913550400).

Almost surely, 234531400442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34531400442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43850419200).

34531400442 is an abundant number, since it is smaller than the sum of its proper divisors (53169437958).

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

34531400442 is a wasteful number, since it uses less digits than its factorization.

34531400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216 (or 7209 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 34531400442 its reverse (24400413543), we get a palindrome (58931813985).

The spelling of 34531400442 in words is "thirty-four billion, five hundred thirty-one million, four hundred thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 49 66 77 98 147 154 231 294 462 539 1078 1617 2099 3234 4198 5087 6297 10174 12594 14693 15261 23089 29386 30522 35609 44079 46178 55957 69267 71218 88158 102851 106827 111914 138534 161623 167871 205702 213654 249263 308553 323246 335742 391699 484869 498526 617106 747789 783398 969738 1131361 1175097 1495578 2262722 2350194 2741893 3394083 5483786 6788166 8225679 10677613 16451358 21355226 32032839 64065678 74743291 117453743 149486582 224229873 234907486 352361229 448459746 523203037 704722458 822176201 1046406074 1569609111 1644352402 2466528603 3139218222 4933057206 5755233407 11510466814 17265700221 34531400442