Search a number
-
+
169030422450 = 23252193812
BaseRepresentation
bin1001110101101011111…
…1111000111110110010
3121011022000120010202200
42131122333320332302
510232133242004300
6205352420324030
715132505612311
oct2353277707662
9534260503680
10169030422450
116575a2a320a
1228913b43616
1312c2a10c266
148276da8278
1545e4678200
hex275aff8fb2

169030422450 has 54 divisors (see below), whose sum is σ = 454151834487. Its totient is φ = 45072453600.

The previous prime is 169030422443. The next prime is 169030422557. The reversal of 169030422450 is 54224030961.

It is a happy number.

169030422450 is a `hidden beast` number, since 169 + 0 + 3 + 0 + 42 + 2 + 450 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 109500766281 + 59529656169 = 330909^2 + 243987^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=290715.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8711760 + ... + 8731140.

Almost surely, 2169030422450 is an apocalyptic number.

169030422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169030422450 is an abundant number, since it is smaller than the sum of its proper divisors (285121412037).

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

169030422450 is an frugal number, since it uses more digits than its factorization.

169030422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38780 (or 19391 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 169030422450 in words is "one hundred sixty-nine billion, thirty million, four hundred twenty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 19381 38762 58143 96905 116286 174429 193810 290715 348858 484525 581430 872145 969050 1453575 1744290 2907150 4360725 8721450 375623161 751246322 1126869483 1878115805 2253738966 3380608449 3756231610 5634347415 6761216898 9390579025 11268694830 16903042245 18781158050 28171737075 33806084490 56343474150 84515211225 169030422450