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34142252440 = 235853556311
BaseRepresentation
bin11111110011000010…
…010110110110011000
310021010102200010111011
4133303002112312120
51024410404034230
623403522543304
72316035233402
oct376302266630
9107112603434
1034142252440
111353045865a
12674a207b34
1332b160214a
14191c62bb72
15d4c5ece2a
hex7f3096d98

34142252440 has 16 divisors (see below), whose sum is σ = 76820068080. Its totient is φ = 13656900960.

The previous prime is 34142252429. The next prime is 34142252467. The reversal of 34142252440 is 4425224143.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426778116 + ... + 426778195.

It is an arithmetic number, because the mean of its divisors is an integer number (4801254255).

Almost surely, 234142252440 is an apocalyptic number.

It is an amenable number.

34142252440 is an abundant number, since it is smaller than the sum of its proper divisors (42677815640).

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

34142252440 is a wasteful number, since it uses less digits than its factorization.

34142252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853556322 (or 853556318 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 34142252440 its reverse (4425224143), we get a palindrome (38567476583).

The spelling of 34142252440 in words is "thirty-four billion, one hundred forty-two million, two hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 853556311 1707112622 3414225244 4267781555 6828450488 8535563110 17071126220 34142252440