Search a number
-
+
2028008731078 = 2114319931075651
BaseRepresentation
bin11101100000101110101…
…111010111000111000110
321011212122102012210220101
4131200232233113013012
5231211330213343303
64151353201154314
7266342642535121
oct35405657270706
97155572183811
102028008731078
1171208a071020
1228906002b99a
1311931821b225
14702286733b8
1537b46dbad1d
hex1d82ebd71c6

2028008731078 has 32 divisors (see below), whose sum is σ = 3397442539392. Its totient is φ = 899931816000.

The previous prime is 2028008731061. The next prime is 2028008731079. The reversal of 2028008731078 is 8701378008202.

It is a super-2 number, since 2×20280087310782 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028008731079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347553 + ... + 2423203.

It is an arithmetic number, because the mean of its divisors is an integer number (106170079356).

Almost surely, 22028008731078 is an apocalyptic number.

2028008731078 is a deficient number, since it is larger than the sum of its proper divisors (1369433808314).

2028008731078 is a wasteful number, since it uses less digits than its factorization.

2028008731078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077700.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 2028008731078 in words is "two trillion, twenty-eight billion, eight million, seven hundred thirty-one thousand, seventy-eight".

Divisors: 1 2 11 22 43 86 473 946 1993 3986 21923 43846 85699 171398 942689 1075651 1885378 2151302 11832161 23664322 46252993 92505986 508782923 1017565846 2143772443 4287544886 23581496873 47162993746 92182215049 184364430098 1014004365539 2028008731078