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40303331142 = 2313381501997
BaseRepresentation
bin100101100010010001…
…000000011101000110
310212000210211100121020
4211202101000131012
51130020123044032
630303132132010
72624516443104
oct454221003506
9125023740536
1040303331142
11161021a8238
127989607006
133a53b78649
141d449aac74
1510ad452b2c
hex962440746

40303331142 has 16 divisors (see below), whose sum is σ = 80612846832. Its totient is φ = 13433412960.

The previous prime is 40303331137. The next prime is 40303331143. The reversal of 40303331142 is 24113330304.

It is a super-2 number, since 2×403033311422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303331143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170713 + ... + 331284.

It is an arithmetic number, because the mean of its divisors is an integer number (5038302927).

Almost surely, 240303331142 is an apocalyptic number.

40303331142 is an abundant number, since it is smaller than the sum of its proper divisors (40309515690).

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

40303331142 is a wasteful number, since it uses less digits than its factorization.

40303331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515383.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 40303331142 its reverse (24113330304), we get a palindrome (64416661446).

The spelling of 40303331142 in words is "forty billion, three hundred three million, three hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 13381 26762 40143 80286 501997 1003994 1505991 3011982 6717221857 13434443714 20151665571 40303331142