Search a number
-
+
163248968740 = 225111357080059
BaseRepresentation
bin1001100000001001100…
…1011001010000100100
3120121101002201212020111
42120002121121100210
510133313213444430
6202555011542404
714536314224164
oct2300231312044
9517332655214
10163248968740
11632628724a0
122777b8baa04
13125183c2330
147c892085a4
1543a6d0ec2a
hex2602659424

163248968740 has 48 divisors (see below), whose sum is σ = 402756903360. Its totient is φ = 54796855680.

The previous prime is 163248968717. The next prime is 163248968741. The reversal of 163248968740 is 47869842361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163248968741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28537170 + ... + 28542889.

It is an arithmetic number, because the mean of its divisors is an integer number (8390768820).

Almost surely, 2163248968740 is an apocalyptic number.

163248968740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163248968740 is an abundant number, since it is smaller than the sum of its proper divisors (239507934620).

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

163248968740 is a wasteful number, since it uses less digits than its factorization.

163248968740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57080092 (or 57080090 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 163248968740 in words is "one hundred sixty-three billion, two hundred forty-eight million, nine hundred sixty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 57080059 114160118 228320236 285400295 570800590 627880649 742040767 1141601180 1255761298 1484081534 2511522596 2968163068 3139403245 3710203835 6278806490 7420407670 8162448437 12557612980 14840815340 16324896874 32649793748 40812242185 81624484370 163248968740