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40024030312 = 2373123055317
BaseRepresentation
bin100101010001100111…
…100011110001101000
310211022100021101220001
4211101213203301220
51123432122432222
630215313512344
72614555434010
oct452147436150
9124270241801
1040024030312
1115a79581402
12790bb726b4
133a0b047296
141d19864c40
151093b81e27
hex9519e3c68

40024030312 has 32 divisors (see below), whose sum is σ = 88532421120. Its totient is φ = 16599827520.

The previous prime is 40024030279. The next prime is 40024030441. The reversal of 40024030312 is 21303042004.

It is a self number, because there is not a number n which added to its sum of digits gives 40024030312.

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 7 ways as a sum of consecutive naturals, for example, 11525923 + ... + 11529394.

It is an arithmetic number, because the mean of its divisors is an integer number (2766638160).

Almost surely, 240024030312 is an apocalyptic number.

It is an amenable number.

40024030312 is an abundant number, since it is smaller than the sum of its proper divisors (48508390808).

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

40024030312 is a wasteful number, since it uses less digits than its factorization.

40024030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23055361 (or 23055357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40024030312 its reverse (21303042004), we get a palindrome (61327072316).

The spelling of 40024030312 in words is "forty billion, twenty-four million, thirty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 23055317 46110634 92221268 161387219 184442536 322774438 645548876 714714827 1291097752 1429429654 2858859308 5003003789 5717718616 10006007578 20012015156 40024030312