Search a number
-
+
20343103314320 = 2451019249547391
BaseRepresentation
bin1001010000000011111110…
…11100100101100110010000
32200000210002211212202211202
410220001333130211212100
510131300133422024240
6111133254224530332
74166512031045543
oct450017734454620
980023084782752
1020343103314320
116533509528356
1223467681809a8
13b474670b0657
1450487bb8885a
152542866cc315
hex12807f725990

20343103314320 has 40 divisors (see below), whose sum is σ = 47344131210240. Its totient is φ = 8129255776640.

The previous prime is 20343103314311. The next prime is 20343103314343. The reversal of 20343103314320 is 2341330134302.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124692176 + ... + 124855215.

It is an arithmetic number, because the mean of its divisors is an integer number (1183603280256).

Almost surely, 220343103314320 is an apocalyptic number.

20343103314320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343103314320 is an abundant number, since it is smaller than the sum of its proper divisors (27001027895920).

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

20343103314320 is a wasteful number, since it uses less digits than its factorization.

20343103314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249548423 (or 249548417 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20343103314320 its reverse (2341330134302), we get a palindrome (22684433448622).

The spelling of 20343103314320 in words is "twenty trillion, three hundred forty-three billion, one hundred three million, three hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1019 2038 4076 5095 8152 10190 16304 20380 40760 81520 249547391 499094782 998189564 1247736955 1996379128 2495473910 3992758256 4990947820 9981895640 19963791280 254288791429 508577582858 1017155165716 1271443957145 2034310331432 2542887914290 4068620662864 5085775828580 10171551657160 20343103314320