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9149805142 = 218973241127
BaseRepresentation
bin10001000010101111…
…01111001001010110
3212121122222021000221
420201113233021112
5122214322231032
64111532024554
7442512026512
oct104127571126
925548867027
109149805142
113975910035
12193430215a
13b2a8115aa
1462b28d142
1538841d597
hex2215ef256

9149805142 has 8 divisors (see below), whose sum is σ = 13725488016. Its totient is φ = 4574642472.

The previous prime is 9149805121. The next prime is 9149805169. The reversal of 9149805142 is 2415089419.

9149805142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82618 + ... + 158509.

It is an arithmetic number, because the mean of its divisors is an integer number (1715686002).

Almost surely, 29149805142 is an apocalyptic number.

9149805142 is a deficient number, since it is larger than the sum of its proper divisors (4575682874).

9149805142 is a wasteful number, since it uses less digits than its factorization.

9149805142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260102.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 9149805142 is about 95654.6138040398. The cubic root of 9149805142 is about 2091.5613846160.

The spelling of 9149805142 in words is "nine billion, one hundred forty-nine million, eight hundred five thousand, one hundred forty-two".

Divisors: 1 2 18973 37946 241127 482254 4574902571 9149805142