Search a number
-
+
120120230230 = 257211131714289
BaseRepresentation
bin110111111011110111…
…0010100000101010110
3102111001101101221100221
41233313232110011112
53432001234331410
6131103225224554
711451456052600
oct1576756240526
9374041357327
10120120230230
1146a40813950
121b34403215a
13b434092010
145b572c2170
1531d08044da
hex1bf7b94156

120120230230 has 96 divisors (see below), whose sum is σ = 295488738720. Its totient is φ = 34560046080.

The previous prime is 120120230183. The next prime is 120120230273. The reversal of 120120230230 is 32032021021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 787075 + ... + 927214.

It is an arithmetic number, because the mean of its divisors is an integer number (3078007695).

Almost surely, 2120120230230 is an apocalyptic number.

120120230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120120230230 is an abundant number, since it is smaller than the sum of its proper divisors (175368508490).

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

120120230230 is a wasteful number, since it uses less digits than its factorization.

120120230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714334 (or 1714327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120120230230 its reverse (32032021021), we get a palindrome (152152251251).

The spelling of 120120230230 in words is "one hundred twenty billion, one hundred twenty million, two hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 98 110 130 143 154 182 245 286 385 455 490 539 637 715 770 910 1001 1078 1274 1430 2002 2695 3185 5005 5390 6370 7007 10010 14014 35035 70070 1714289 3428578 8571445 12000023 17142890 18857179 22285757 24000046 37714358 44571514 60000115 84000161 94285895 111428785 120000230 132000253 156000299 168000322 188571790 222857570 245143327 264000506 312000598 420000805 490286654 660001265 780001495 840001610 924001771 1092002093 1225716635 1320002530 1560002990 1716003289 1848003542 2184004186 2451433270 3432006578 4620008855 5460010465 8580016445 9240017710 10920020930 12012023023 17160032890 24024046046 60060115115 120120230230