Search a number
-
+
4478448853970 = 257135087967441
BaseRepresentation
bin100000100101011100001…
…0110100110001111010010
3120212010122210121202120222
41001022320112212033102
51041333330401311340
613305212045233042
7641362065111110
oct101127026461722
916763583552528
104478448853970
111477332697083
12603b53562782
132664150ac6a0
14116a88262ab0
157b764ac38b5
hex412b85a63d2

4478448853970 has 64 divisors (see below), whose sum is σ = 9923447310336. Its totient is φ = 1417075153920.

The previous prime is 4478448853969. The next prime is 4478448854017. The reversal of 4478448853970 is 793588448744.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4478448853894 and 4478448853903.

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 31 ways as a sum of consecutive naturals, for example, 4145450 + ... + 5112890.

It is an arithmetic number, because the mean of its divisors is an integer number (155053864224).

Almost surely, 24478448853970 is an apocalyptic number.

4478448853970 is an abundant number, since it is smaller than the sum of its proper divisors (5444998456366).

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

4478448853970 is a wasteful number, since it uses less digits than its factorization.

4478448853970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972555.

The product of its (nonzero) digits is 867041280, while the sum is 71.

The spelling of 4478448853970 in words is "four trillion, four hundred seventy-eight billion, four hundred forty-eight million, eight hundred fifty-three thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 5087 10174 25435 35609 50870 66131 71218 132262 178045 330655 356090 462917 661310 925834 967441 1934882 2314585 4629170 4837205 6772087 9674410 12576733 13544174 25153466 33860435 62883665 67720870 88037131 125767330 176074262 440185655 880371310 4921372367 9842744734 24606861835 34449606569 49213723670 63977840771 68899213138 127955681542 172248032845 319889203855 344496065690 447844885397 639778407710 895689770794 2239224426985 4478448853970