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82031852040 = 2335683598767
BaseRepresentation
bin100110001100101111…
…0101011101000001000
321211201221101212000020
41030121132223220020
52321000123231130
6101403535140440
75632553144325
oct1143136535010
9254657355006
1082031852040
1131875929646
1213a94374720
137974082128
143d82965b4c
152201a73e10
hex13197aba08

82031852040 has 32 divisors (see below), whose sum is σ = 246095556480. Its totient is φ = 21875160512.

The previous prime is 82031851981. The next prime is 82031852047. The reversal of 82031852040 is 4025813028.

It is a super-2 number, since 2×820318520402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82031851992 and 82031852010.

It is not an unprimeable number, because it can be changed into a prime (82031852047) by changing a digit.

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, 341799264 + ... + 341799503.

It is an arithmetic number, because the mean of its divisors is an integer number (7690486140).

Almost surely, 282031852040 is an apocalyptic number.

It is an amenable number.

82031852040 is an abundant number, since it is smaller than the sum of its proper divisors (164063704440).

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

82031852040 is a wasteful number, since it uses less digits than its factorization.

82031852040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683598781 (or 683598777 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 82031852040 in words is "eighty-two billion, thirty-one million, eight hundred fifty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 683598767 1367197534 2050796301 2734395068 3417993835 4101592602 5468790136 6835987670 8203185204 10253981505 13671975340 16406370408 20507963010 27343950680 41015926020 82031852040