Search a number
-
+
42210041240 = 2351995302769
BaseRepresentation
bin100111010011111010…
…100001110110011000
311000221200122021010202
4213103322201312120
51142421232304430
631220243401332
73023001300503
oct472372416630
9130850567122
1042210041240
11169a0516804
128220083248
133c98bbb483
142085d0013a
151170a38d45
hex9d3ea1d98

42210041240 has 32 divisors (see below), whose sum is σ = 95449860000. Its totient is φ = 16799169024.

The previous prime is 42210041219. The next prime is 42210041243. The reversal of 42210041240 is 4214001224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210041243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643425 + ... + 2659344.

It is an arithmetic number, because the mean of its divisors is an integer number (2982808125).

Almost surely, 242210041240 is an apocalyptic number.

42210041240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42210041240 is an abundant number, since it is smaller than the sum of its proper divisors (53239818760).

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

42210041240 is a wasteful number, since it uses less digits than its factorization.

42210041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302979 (or 5302975 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42210041240 its reverse (4214001224), we get a palindrome (46424042464).

The spelling of 42210041240 in words is "forty-two billion, two hundred ten million, forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 199 398 796 995 1592 1990 3980 7960 5302769 10605538 21211076 26513845 42422152 53027690 106055380 212110760 1055251031 2110502062 4221004124 5276255155 8442008248 10552510310 21105020620 42210041240