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210341550040 = 2356778485653
BaseRepresentation
bin1100001111100101010…
…1010101011111011000
3202002221001201212012021
43003321111111133120
511421234414100130
6240343553224224
721124313450446
oct3037125253730
9662831655167
10210341550040
1181229359876
1234922b62074
1316ab19c465b
14a275751b96
1557112ec37a
hex30f95557d8

210341550040 has 32 divisors (see below), whose sum is σ = 480332202480. Its totient is φ = 82880848512.

The previous prime is 210341550007. The next prime is 210341550059. The reversal of 210341550040 is 40055143012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210341549987 and 210341550014.

It is a congruent number.

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, 39240147 + ... + 39245506.

Almost surely, 2210341550040 is an apocalyptic number.

210341550040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210341550040 is an abundant number, since it is smaller than the sum of its proper divisors (269990652440).

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

210341550040 is a wasteful number, since it uses less digits than its factorization.

210341550040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78485731 (or 78485727 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 210341550040 its reverse (40055143012), we get a palindrome (250396693052).

The spelling of 210341550040 in words is "two hundred ten billion, three hundred forty-one million, five hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 78485653 156971306 313942612 392428265 627885224 784856530 1569713060 3139426120 5258538751 10517077502 21034155004 26292693755 42068310008 52585387510 105170775020 210341550040