Search a number
-
+
82037840715 = 3351494078441
BaseRepresentation
bin100110001100111010…
…1100001101101001011
321211202100200002221000
41030121311201231023
52321003141400330
6101404311350043
75632655066115
oct1143165415513
9254670602830
1082037840715
1131879249a66
1213a96382323
13797539ac1c
143d836843b5
152202358560
hex1319d61b4b

82037840715 has 32 divisors (see below), whose sum is σ = 146823912000. Its totient is φ = 43459856640.

The previous prime is 82037840707. The next prime is 82037840719. The reversal of 82037840715 is 51704873028.

It is not a de Polignac number, because 82037840715 - 23 = 82037840707 is a prime.

It is a super-2 number, since 2×820378407152 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (82037840719) 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 31 ways as a sum of consecutive naturals, for example, 2019106 + ... + 2059335.

It is an arithmetic number, because the mean of its divisors is an integer number (4588247250).

Almost surely, 282037840715 is an apocalyptic number.

82037840715 is a deficient number, since it is larger than the sum of its proper divisors (64786071285).

82037840715 is a wasteful number, since it uses less digits than its factorization.

82037840715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078604 (or 4078598 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 82037840715 in words is "eighty-two billion, thirty-seven million, eight hundred forty thousand, seven hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 149 447 745 1341 2235 4023 6705 20115 4078441 12235323 20392205 36705969 61176615 110117907 183529845 550589535 607687709 1823063127 3038438545 5469189381 9115315635 16407568143 27345946905 82037840715