Search a number
-
+
1020230302308 = 2237291543927127
BaseRepresentation
bin11101101100010100111…
…01101111101001100100
310121112101121022021002220
432312022131233221210
5113203412424133213
62100404244032340
7133465154325150
oct16661235575144
93545347267086
101020230302308
1136374a4544a8
121458890926b0
13752905aa219
143754515c060
151b812824e23
hexed8a76fa64

1020230302308 has 96 divisors (see below), whose sum is σ = 2814714470400. Its totient is φ = 281414238336.

The previous prime is 1020230302297. The next prime is 1020230302321. The reversal of 1020230302308 is 8032030320201.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 37595841 + ... + 37622967.

It is an arithmetic number, because the mean of its divisors is an integer number (29319942400).

Almost surely, 21020230302308 is an apocalyptic number.

It is an amenable number.

1020230302308 is an abundant number, since it is smaller than the sum of its proper divisors (1794484168092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020230302308 is a wasteful number, since it uses less digits than its factorization.

1020230302308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42609 (or 42607 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1020230302308 its reverse (8032030320201), we get a palindrome (9052260622509).

The spelling of 1020230302308 in words is "one trillion, twenty billion, two hundred thirty million, three hundred two thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 2436 15439 27127 30878 46317 54254 61756 81381 92634 108073 108508 162762 185268 189889 216146 324219 325524 379778 432292 447731 569667 648438 759556 786683 895462 1139334 1296876 1343193 1573366 1790924 2278668 2360049 2686386 3134117 3146732 4720098 5372772 5506781 6268234 9402351 9440196 11013562 12536468 16520343 18804702 22027124 33040686 37609404 66081372 418813753 837627506 1256441259 1675255012 2512882518 2931696271 5025765036 5863392542 8795088813 11726785084 12145598837 17590177626 24291197674 35180355252 36436796511 48582395348 72873593022 85019191859 145747186044 170038383718 255057575577 340076767436 510115151154 1020230302308