Search a number
-
+
72065020010 = 25192917337547
BaseRepresentation
bin100001100011101101…
…0001111000001101010
320220000100001022210012
41003013122033001222
52140042121120020
653034535251522
75130560364104
oct1030732170152
9226010038705
1072065020010
1128620909185
1211b72519ba2
136a46208899
1436b8d98574
151d1ba687c5
hex10c768f06a

72065020010 has 64 divisors (see below), whose sum is σ = 141352905600. Its totient is φ = 26348458752.

The previous prime is 72065020007. The next prime is 72065020033. The reversal of 72065020010 is 1002056027.

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 31 ways as a sum of consecutive naturals, for example, 9545057 + ... + 9552603.

It is an arithmetic number, because the mean of its divisors is an integer number (2208639150).

Almost surely, 272065020010 is an apocalyptic number.

72065020010 is a deficient number, since it is larger than the sum of its proper divisors (69287885590).

72065020010 is a wasteful number, since it uses less digits than its factorization.

72065020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335.

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 72065020010 its reverse (1002056027), we get a palindrome (73067076037).

The spelling of 72065020010 in words is "seventy-two billion, sixty-five million, twenty thousand, ten".

Divisors: 1 2 5 10 19 29 38 58 95 145 190 290 551 1102 1733 2755 3466 5510 7547 8665 15094 17330 32927 37735 50257 65854 75470 100514 143393 164635 218863 251285 286786 329270 437726 502570 716965 954883 1094315 1433930 1909766 2188630 4158397 4774415 8316794 9548830 13078951 20791985 26157902 41583970 65394755 130789510 248500069 379289579 497000138 758579158 1242500345 1896447895 2485000690 3792895790 7206502001 14413004002 36032510005 72065020010