Search a number
-
+
13122133230 = 2351741757829
BaseRepresentation
bin11000011100010001…
…11101110011101110
31020212111121102202110
430032020331303232
5203333231230410
610010032504450
7643115202123
oct141610756356
936774542673
1013122133230
115624113a08
1226626ab126
13131179489b
148c6a7c74a
1551c029720
hex30e23dcee

13122133230 has 128 divisors (see below), whose sum is σ = 34245348480. Its totient is φ = 3204956160.

The previous prime is 13122133201. The next prime is 13122133243. The reversal of 13122133230 is 3233122131.

It is a junction number, because it is equal to n+sod(n) for n = 13122133197 and 13122133206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15828456 + ... + 15829284.

It is an arithmetic number, because the mean of its divisors is an integer number (267541785).

Almost surely, 213122133230 is an apocalyptic number.

13122133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13122133230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17122674240).

13122133230 is an abundant number, since it is smaller than the sum of its proper divisors (21123215250).

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

13122133230 is a wasteful number, since it uses less digits than its factorization.

13122133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13122133230 its reverse (3233122131), we get a palindrome (16355255361).

It can be divided in two parts, 131221 and 33230, that added together give a triangular number (164451 = T573).

The spelling of 13122133230 in words is "thirteen billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 41 51 82 85 102 123 170 205 246 255 410 510 615 697 757 829 1230 1394 1514 1658 2091 2271 2487 3485 3785 4145 4182 4542 4974 6970 7570 8290 10455 11355 12435 12869 14093 20910 22710 24870 25738 28186 31037 33989 38607 42279 62074 64345 67978 70465 77214 84558 93111 101967 128690 140930 155185 169945 186222 193035 203934 211395 310370 339890 386070 422790 465555 509835 527629 577813 627553 931110 1019670 1055258 1155626 1255106 1582887 1733439 1882659 2638145 2889065 3137765 3165774 3466878 3765318 5276290 5778130 6275530 7914435 8667195 9413295 10668401 15828870 17334390 18826590 21336802 25729673 32005203 51459346 53342005 64010406 77189019 106684010 128648365 154378038 160026015 257296730 320052030 385945095 437404441 771890190 874808882 1312213323 2187022205 2624426646 4374044410 6561066615 13122133230