Search a number
-
+
34135242140 = 22517100397771
BaseRepresentation
bin11111110010100111…
…100111010110011100
310021002221110222011102
4133302213213112130
51024402110222030
623403112412232
72315621525246
oct376247472634
9107087428142
1034135242140
11135274aa71a
1267479a7078
1332b001933c
14191b725096
15d4bbb5c45
hex7f29e759c

34135242140 has 24 divisors (see below), whose sum is σ = 75900715632. Its totient is φ = 12850914560.

The previous prime is 34135242137. The next prime is 34135242187. The reversal of 34135242140 is 4124253143.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50198546 + ... + 50199225.

It is an arithmetic number, because the mean of its divisors is an integer number (3162529818).

Almost surely, 234135242140 is an apocalyptic number.

It is an amenable number.

34135242140 is an abundant number, since it is smaller than the sum of its proper divisors (41765473492).

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

34135242140 is a wasteful number, since it uses less digits than its factorization.

34135242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100397797 (or 100397795 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 34135242140 its reverse (4124253143), we get a palindrome (38259495283).

The spelling of 34135242140 in words is "thirty-four billion, one hundred thirty-five million, two hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 100397771 200795542 401591084 501988855 1003977710 1706762107 2007955420 3413524214 6827048428 8533810535 17067621070 34135242140