Search a number
-
+
28246148294 = 2721331223071
BaseRepresentation
bin11010010011100110…
…100000010011000110
32200220112010000010112
4122103212200103012
5430322003221134
620550500553022
72016652204400
oct322346402306
980815100115
1028246148294
1110a8523a311
1255836b2772
132881c12220
14151d545b70
15b04b891ce
hex6939a04c6

28246148294 has 72 divisors (see below), whose sum is σ = 54847727424. Its totient is φ = 10813370400.

The previous prime is 28246148233. The next prime is 28246148303. The reversal of 28246148294 is 49284164282.

It is a super-2 number, since 2×282461482942 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1212779 + ... + 1235849.

It is an arithmetic number, because the mean of its divisors is an integer number (761773992).

Almost surely, 228246148294 is an apocalyptic number.

28246148294 is a deficient number, since it is larger than the sum of its proper divisors (26601579130).

28246148294 is a wasteful number, since it uses less digits than its factorization.

28246148294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23162 (or 23124 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 50.

The spelling of 28246148294 in words is "twenty-eight billion, two hundred forty-six million, one hundred forty-eight thousand, two hundred ninety-four".

Divisors: 1 2 7 13 14 26 31 49 62 91 98 182 217 403 434 637 806 961 1274 1519 1922 2821 3038 5642 6727 12493 13454 19747 23071 24986 39494 46142 47089 87451 94178 161497 174902 299923 322994 599846 612157 715201 1130479 1224314 1430402 2099461 2260958 4198922 5006407 9297613 10012814 14696227 18595226 22171231 29392454 35044849 44342462 65083291 70089698 130166582 155198617 288226003 310397234 455583037 576452006 911166074 1086390319 2017582021 2172780638 4035164042 14123074147 28246148294