Search a number
-
+
268082142940 = 225171448954419
BaseRepresentation
bin1111100110101011110…
…0001101111011011100
3221121222002211220002001
43321222330031323130
513343013012033230
6323053310412044
725240216421443
oct3715274157334
9847862756061
10268082142940
11a3769420937
1243b58201024
131c384320061
14cd92101d5a
156e904eb0ca
hex3e6af0dedc

268082142940 has 48 divisors (see below), whose sum is σ = 596140624800. Its totient is φ = 100916221952.

The previous prime is 268082142929. The next prime is 268082142997. The reversal of 268082142940 is 49241280862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4899051 + ... + 4953469.

It is an arithmetic number, because the mean of its divisors is an integer number (12419596350).

Almost surely, 2268082142940 is an apocalyptic number.

268082142940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268082142940 is an abundant number, since it is smaller than the sum of its proper divisors (328058481860).

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

268082142940 is a wasteful number, since it uses less digits than its factorization.

268082142940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68934 (or 68932 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 268082142940 in words is "two hundred sixty-eight billion, eighty-two million, one hundred forty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 14489 28978 54419 57956 72445 108838 144890 217676 246313 272095 289780 492626 544190 925123 985252 1088380 1231565 1850246 2463130 3700492 4625615 4926260 9251230 18502460 788476891 1576953782 3153907564 3942384455 7884768910 13404107147 15769537820 26808214294 53616428588 67020535735 134041071470 268082142940