Search a number
-
+
55242472173260 = 22522957172109791
BaseRepresentation
bin11001000111110001000111…
…11011100010111011001100
321020121010110212110000201112
430203320203323202323030
524220043040334021020
6313254012534031152
714431064646562301
oct1443704373427314
9236533425400645
1055242472173260
1116669223412189
1262424401a84b8
1324a945c0c4378
14d8da6dac90a8
1565beb436d2c5
hex323e23ee2ecc

55242472173260 has 48 divisors (see below), whose sum is σ = 116536217736960. Its totient is φ = 21996636783360.

The previous prime is 55242472173257. The next prime is 55242472173263. The reversal of 55242472173260 is 6237127424255.

It is an interprime number because it is at equal distance from previous prime (55242472173257) and next prime (55242472173263).

It is a junction number, because it is equal to n+sod(n) for n = 55242472173199 and 55242472173208.

It is not an unprimeable number, because it can be changed into a prime (55242472173263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25128965 + ... + 27238755.

It is an arithmetic number, because the mean of its divisors is an integer number (2427837869520).

Almost surely, 255242472173260 is an apocalyptic number.

It is an amenable number.

55242472173260 is an abundant number, since it is smaller than the sum of its proper divisors (61293745563700).

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

55242472173260 is a wasteful number, since it uses less digits than its factorization.

55242472173260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115746 (or 2115744 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 55242472173260 in words is "fifty-five trillion, two hundred forty-two billion, four hundred seventy-two million, one hundred seventy-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 229 458 916 1145 2290 4580 5717 11434 22868 28585 57170 114340 1309193 2109791 2618386 4219582 5236772 6545965 8439164 10548955 13091930 21097910 26183860 42195820 483142139 966284278 1932568556 2415710695 4831421390 9662842780 12061675147 24123350294 48246700588 60308375735 120616751470 241233502940 2762123608663 5524247217326 11048494434652 13810618043315 27621236086630 55242472173260