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442991096510144 = 2673132373227249
BaseRepresentation
bin110010010111001011110011…
…0111100100011011011000000
32011002111112110011222020220212
41210232113212330203123000
5431030431231201311034
64210055144510053252
7162211023223601000
oct14456274674433300
92132445404866825
10442991096510144
11119172518253766
1241826785aaa228
1316024b5bb86300
147b56c52368000
153633335ac82ce
hex192e5e6f236c0

442991096510144 has 336 divisors, whose sum is σ = 1140068662200000. Its totient is φ = 170512706617344.

The previous prime is 442991096510141. The next prime is 442991096510173. The reversal of 442991096510144 is 441015690199244.

It is a super-2 number, since 2×4429910965101442 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442991096510141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135652232 + ... + 138879480.

Almost surely, 2442991096510144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442991096510144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570034331100000).

442991096510144 is an abundant number, since it is smaller than the sum of its proper divisors (697077565689856).

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

442991096510144 is a wasteful number, since it uses less digits than its factorization.

442991096510144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227345 (or 3227308 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 442991096510144 in words is "four hundred forty-two trillion, nine hundred ninety-one billion, ninety-six million, five hundred ten thousand, one hundred forty-four".