Search a number
-
+
242497805806080 = 2934511828712829
BaseRepresentation
bin110111001000110011101011…
…100100101110101000000000
31011210121120020000212000220000
4313020303223210232220000
5223241041001241243310
62215425542024520000
7102035613455411166
oct6710635344565000
91153546200760800
10242497805806080
11702a38185222a0
1223245848620000
13a5405a278aa76
1443c4d56607236
151d07dcee4a4c0
hexdc8ceb92ea00

242497805806080 has 800 divisors, whose sum is σ = 947697858455040. Its totient is φ = 58775671111680.

The previous prime is 242497805806033. The next prime is 242497805806099. The reversal of 242497805806080 is 80608508794242.

242497805806080 is a `hidden beast` number, since 2 + 4 + 2 + 49 + 7 + 8 + 0 + 580 + 6 + 0 + 8 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 242497805805999 and 242497805806017.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18902309106 + ... + 18902321934.

Almost surely, 2242497805806080 is an apocalyptic number.

242497805806080 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 242497805806080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473848929227520).

242497805806080 is an abundant number, since it is smaller than the sum of its proper divisors (705200052648960).

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

242497805806080 is a wasteful number, since it uses less digits than its factorization.

242497805806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21162 (or 21137 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 242497805806080 in words is "two hundred forty-two trillion, four hundred ninety-seven billion, eight hundred five million, eight hundred six thousand, eighty".