Search a number
-
+
42100204000 = 255389118259
BaseRepresentation
bin100111001101010111…
…100010000111100000
311000200000221221202211
4213031113202013200
51142210123012000
631201321251504
73020165554351
oct471527420740
9130600857684
1042100204000
1116944516428
1281ab333b94
133c7c21221a
1420754abd28
15116608e7ba
hex9cd5e21e0

42100204000 has 96 divisors (see below), whose sum is σ = 104603335200. Its totient is φ = 16650726400.

The previous prime is 42100203989. The next prime is 42100204021. The reversal of 42100204000 is 40200124.

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 15 ways as a sum of consecutive naturals, for example, 296871 + ... + 415129.

It is an arithmetic number, because the mean of its divisors is an integer number (1089618075).

Almost surely, 242100204000 is an apocalyptic number.

42100204000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42100204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52301667600).

42100204000 is an abundant number, since it is smaller than the sum of its proper divisors (62503131200).

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

42100204000 is a wasteful number, since it uses less digits than its factorization.

42100204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118373 (or 118355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 42100204000 its reverse (40200124), we get a palindrome (42140404124).

The spelling of 42100204000 in words is "forty-two billion, one hundred million, two hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 89 100 125 160 178 200 250 356 400 445 500 712 800 890 1000 1424 1780 2000 2225 2848 3560 4000 4450 7120 8900 11125 14240 17800 22250 35600 44500 71200 89000 118259 178000 236518 356000 473036 591295 946072 1182590 1892144 2365180 2956475 3784288 4730360 5912950 9460720 10525051 11825900 14782375 18921440 21050102 23651800 29564750 42100204 47303600 52625255 59129500 84200408 94607200 105250510 118259000 168400816 210501020 236518000 263126275 336801632 421002040 473036000 526252550 842004080 1052505100 1315631375 1684008160 2105010200 2631262750 4210020400 5262525500 8420040800 10525051000 21050102000 42100204000