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209740482000 = 24335372312557
BaseRepresentation
bin1100001101010110000…
…0011100010111010000
3202001101011201102212000
43003111200130113100
511414022030411000
6240204202234000
721103364452500
oct3032540342720
9661334642760
10209740482000
1180a50041525
12347957b5900
1316a173138aa
14a2199aba00
1556c866d000
hex30d581c5d0

209740482000 has 960 divisors, whose sum is σ = 902550804480. Its totient is φ = 46376064000.

The previous prime is 209740481999. The next prime is 209740482071. The reversal of 209740482000 is 284047902.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 82024722 + ... + 82027278.

It is an arithmetic number, because the mean of its divisors is an integer number (940157088).

Almost surely, 2209740482000 is an apocalyptic number.

209740482000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209740482000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451275402240).

209740482000 is an abundant number, since it is smaller than the sum of its proper divisors (692810322480).

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

209740482000 is a wasteful number, since it uses less digits than its factorization.

209740482000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 209740482000 in words is "two hundred nine billion, seven hundred forty million, four hundred eighty-two thousand".