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42444144100 = 22521314876653
BaseRepresentation
bin100111100001110111…
…100011110111100100
311001120000010220220001
4213201313203313210
51143411200102400
631255405151044
73031543162231
oct474167436744
9131500126801
1042444144100
1117000681746
12828655b484
134005556087
1420a903c788
15118637ca6a
hex9e1de3de4

42444144100 has 72 divisors (see below), whose sum is σ = 93011421888. Its totient is φ = 16810934400.

The previous prime is 42444144077. The next prime is 42444144121. The reversal of 42444144100 is 144144424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6376374 + ... + 6383026.

It is an arithmetic number, because the mean of its divisors is an integer number (1291825304).

Almost surely, 242444144100 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 42444144100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46505710944).

42444144100 is an abundant number, since it is smaller than the sum of its proper divisors (50567277788).

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

42444144100 is a wasteful number, since it uses less digits than its factorization.

42444144100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285 (or 7278 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 42444144100 its reverse (144144424), we get a palindrome (42588288524).

The spelling of 42444144100 in words is "forty-two billion, four hundred forty-four million, one hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 131 262 487 524 655 974 1310 1948 2435 2620 3275 4870 6550 6653 9740 12175 13100 13306 24350 26612 33265 48700 63797 66530 127594 133060 166325 255188 318985 332650 637970 665300 871543 1275940 1594925 1743086 3189850 3240011 3486172 4357715 6379700 6480022 8715430 12960044 16200055 17430860 21788575 32400110 43577150 64800220 81000275 87154300 162000550 324001100 424441441 848882882 1697765764 2122207205 4244414410 8488828820 10611036025 21222072050 42444144100