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29868909742 = 273799756149
BaseRepresentation
bin11011110100010100…
…110110010010101110
32212002121121211100101
4123310110312102232
5442132420102432
621415510221314
72105115354340
oct336424662256
985077554311
1029868909742
1111738247a81
12595705483a
132a801872b9
141634c83290
15b9c3824e7
hex6f45364ae

29868909742 has 16 divisors (see below), whose sum is σ = 51206104800. Its totient is φ = 12800396448.

The previous prime is 29868909619. The next prime is 29868909757. The reversal of 29868909742 is 24790986892.

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 7 ways as a sum of consecutive naturals, for example, 503884 + ... + 560032.

It is an arithmetic number, because the mean of its divisors is an integer number (3200381550).

Almost surely, 229868909742 is an apocalyptic number.

29868909742 is a deficient number, since it is larger than the sum of its proper divisors (21337195058).

29868909742 is a wasteful number, since it uses less digits than its factorization.

29868909742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94155.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 29868909742 in words is "twenty-nine billion, eight hundred sixty-eight million, nine hundred nine thousand, seven hundred forty-two".

Divisors: 1 2 7 14 37997 56149 75994 112298 265979 393043 531958 786086 2133493553 4266987106 14934454871 29868909742