Search a number
-
+
144434274668 = 22172124033451
BaseRepresentation
bin1000011010000011110…
…1000010000101101100
3111210210212120101001022
42012200331002011230
54331300133242133
6150204023433312
713302134035535
oct2064075020554
9453725511038
10144434274668
1156288423352
1223baa8b5838
131080a465868
146dc250968c
153b5517a998
hex21a0f4216c

144434274668 has 12 divisors (see below), whose sum is σ = 267628214952. Its totient is φ = 67969070400.

The previous prime is 144434274577. The next prime is 144434274671. The reversal of 144434274668 is 866472434441.

It is a super-2 number, since 2×1444342746682 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062016658 + ... + 1062016793.

It is an arithmetic number, because the mean of its divisors is an integer number (22302351246).

Almost surely, 2144434274668 is an apocalyptic number.

It is an amenable number.

144434274668 is a deficient number, since it is larger than the sum of its proper divisors (123193940284).

144434274668 is a wasteful number, since it uses less digits than its factorization.

144434274668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124033472 (or 2124033470 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 53.

The spelling of 144434274668 in words is "one hundred forty-four billion, four hundred thirty-four million, two hundred seventy-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 17 34 68 2124033451 4248066902 8496133804 36108568667 72217137334 144434274668