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34388140837 = 471678814973
BaseRepresentation
bin100000000001101100…
…010110001100100101
310021202120100112221211
4200001230112030211
51030411331001322
623444145111421
72325112242241
oct400154261445
9107676315854
1034388140837
1113647233206
1267b8628571
13332053523b
141943157421
15d63ebdb77
hex801b16325

34388140837 has 16 divisors (see below), whose sum is σ = 35377316352. Its totient is φ = 33410248960.

The previous prime is 34388140783. The next prime is 34388140841. The reversal of 34388140837 is 73804188343.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34388140837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34388140847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6912483 + ... + 6917455.

It is an arithmetic number, because the mean of its divisors is an integer number (2211082272).

Almost surely, 234388140837 is an apocalyptic number.

It is an amenable number.

34388140837 is a deficient number, since it is larger than the sum of its proper divisors (989175515).

34388140837 is a wasteful number, since it uses less digits than its factorization.

34388140837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 34388140837 in words is "thirty-four billion, three hundred eighty-eight million, one hundred forty thousand, eight hundred thirty-seven".

Divisors: 1 47 167 881 4973 7849 41407 147127 233731 830491 4381213 6914969 39033077 205917011 731662571 34388140837