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40121310350 = 2521172947837
BaseRepresentation
bin100101010111011010…
…101001110010001110
310211120010022202000102
4211113122221302032
51124132023412400
630233110531102
72620146340202
oct452732516216
9124503282012
1040121310350
1116019485330
127938666a92
133a25247a34
141d28748b02
15109c49a9d5
hex9576a9c8e

40121310350 has 24 divisors (see below), whose sum is σ = 81409787208. Its totient is φ = 14589567200.

The previous prime is 40121310337. The next prime is 40121310353. The reversal of 40121310350 is 5301312104.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121310353) 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 11 ways as a sum of consecutive naturals, for example, 36473369 + ... + 36474468.

It is an arithmetic number, because the mean of its divisors is an integer number (3392074467).

Almost surely, 240121310350 is an apocalyptic number.

40121310350 is an abundant number, since it is smaller than the sum of its proper divisors (41288476858).

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

40121310350 is a wasteful number, since it uses less digits than its factorization.

40121310350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72947860 (or 72947855 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 40121310350 its reverse (5301312104), we get a palindrome (45422622454).

The spelling of 40121310350 in words is "forty billion, one hundred twenty-one million, three hundred ten thousand, three hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 72947837 145895674 364739185 729478370 802426207 1604852414 1823695925 3647391850 4012131035 8024262070 20060655175 40121310350