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5805144906 = 231187956741
BaseRepresentation
bin1010110100000001…
…10111101101001010
3112222120101220201220
411122000313231022
543342104114111
62400012222510
7263566626501
oct53200675512
915876356656
105805144906
112509942320
12116016aa36
137168c34b2
143d0da9838
1523e997e06
hex15a037b4a

5805144906 has 16 divisors (see below), whose sum is σ = 12665770848. Its totient is φ = 1759134800.

The previous prime is 5805144893. The next prime is 5805144907. The reversal of 5805144906 is 6094415085.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5805144907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43978305 + ... + 43978436.

It is an arithmetic number, because the mean of its divisors is an integer number (791610678).

Almost surely, 25805144906 is an apocalyptic number.

5805144906 is an abundant number, since it is smaller than the sum of its proper divisors (6860625942).

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

5805144906 is a wasteful number, since it uses less digits than its factorization.

5805144906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87956757.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5805144906 is about 76191.5015339637. The cubic root of 5805144906 is about 1797.2328785595.

The spelling of 5805144906 in words is "five billion, eight hundred five million, one hundred forty-four thousand, nine hundred six".

Divisors: 1 2 3 6 11 22 33 66 87956741 175913482 263870223 527740446 967524151 1935048302 2902572453 5805144906