Search a number
-
+
20493743607400 = 23527197310553993
BaseRepresentation
bin1001010100011100100100…
…10011101100111001101000
32200120011221020011112200211
410222032102103230321220
510141232141330414100
6111330410145110504
74213424033314510
oct452162223547150
980504836145624
1020493743607400
116591390aa5138
12236b9a9328434
13b587231c574b
1450bc8c5b0840
152581515d81ba
hex12a3924ece68

20493743607400 has 192 divisors, whose sum is σ = 58106069366400. Its totient is φ = 6565427343360.

The previous prime is 20493743607383. The next prime is 20493743607437. The reversal of 20493743607400 is 470634739402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3335197 + ... + 7218796.

It is an arithmetic number, because the mean of its divisors is an integer number (302635777950).

Almost surely, 220493743607400 is an apocalyptic number.

20493743607400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20493743607400 is an abundant number, since it is smaller than the sum of its proper divisors (37612325759000).

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

20493743607400 is a wasteful number, since it uses less digits than its factorization.

20493743607400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554108 (or 10554099 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 20493743607400 in words is "twenty trillion, four hundred ninety-three billion, seven hundred forty-three million, six hundred seven thousand, four hundred".