Search a number
-
+
28503085754 = 211132329149417
BaseRepresentation
bin11010100010111010…
…101001001010111010
32201120102120210001202
4122202322221022322
5431333242221004
621032200014202
72026222142243
oct324272511272
981512523052
1028503085754
11110a7281220
125635761362
1328c3213520
141545709cca
15b1c4ddb1e
hex6a2ea92ba

28503085754 has 64 divisors (see below), whose sum is σ = 54220803840. Its totient is φ = 11044830720.

The previous prime is 28503085729. The next prime is 28503085759. The reversal of 28503085754 is 45758030582.

It is a junction number, because it is equal to n+sod(n) for n = 28503085699 and 28503085708.

It is not an unprimeable number, because it can be changed into a prime (28503085759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116054 + ... + 265470.

It is an arithmetic number, because the mean of its divisors is an integer number (847200060).

Almost surely, 228503085754 is an apocalyptic number.

28503085754 is a deficient number, since it is larger than the sum of its proper divisors (25717718086).

28503085754 is a wasteful number, since it uses less digits than its factorization.

28503085754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149495.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 28503085754 in words is "twenty-eight billion, five hundred three million, eighty-five thousand, seven hundred fifty-four".

Divisors: 1 2 11 13 22 23 26 29 46 58 143 253 286 299 319 377 506 598 638 667 754 1334 3289 4147 6578 7337 8294 8671 14674 17342 95381 149417 190762 298834 1643587 1942421 3287174 3436591 3884842 4333093 6873182 8666186 21366631 37802501 42733262 44675683 47664023 56330209 75605002 89351366 95328046 99661139 112660418 199322278 491432513 619632299 982865026 1096272529 1239264598 1295594807 2192545058 2591189614 14251542877 28503085754