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29386201989 = 3173187180797
BaseRepresentation
bin11011010111100011…
…011101101110000101
32210211222022201210110
4123113203131232011
5440140331430424
621255544143233
72060134411164
oct332743355605
983758281713
1029386201989
111150a821551
125841467b19
132a04178001
1415cab0d3db
15b6ecd2c29
hex6d78ddb85

29386201989 has 16 divisors (see below), whose sum is σ = 41499649728. Its totient is φ = 18432513792.

The previous prime is 29386201979. The next prime is 29386202017. The reversal of 29386201989 is 98910268392.

It is not a de Polignac number, because 29386201989 - 221 = 29384104837 is a prime.

It is a super-2 number, since 2×293862019892 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29386201909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72139 + ... + 252935.

It is an arithmetic number, because the mean of its divisors is an integer number (2593728108).

Almost surely, 229386201989 is an apocalyptic number.

It is an amenable number.

29386201989 is a deficient number, since it is larger than the sum of its proper divisors (12113447739).

29386201989 is a wasteful number, since it uses less digits than its factorization.

29386201989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184004.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 29386201989 in words is "twenty-nine billion, three hundred eighty-six million, two hundred one thousand, nine hundred eighty-nine".

Divisors: 1 3 17 51 3187 9561 54179 162537 180797 542391 3073549 9220647 576200039 1728600117 9795400663 29386201989