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212403130002 = 23271685739127
BaseRepresentation
bin1100010111010000110…
…1101000111010010010
3202022020201221222020200
43011310031220322102
511440000200130002
6241324320120030
721226355546610
oct3056415507222
9668221858220
10212403130002
1182097036368
12351b9466016
131704cb4cb5b
14a3cd47a6b0
1557d22c5b1c
hex3174368e92

212403130002 has 24 divisors (see below), whose sum is σ = 525950607936. Its totient is φ = 60686608536.

The previous prime is 212403129989. The next prime is 212403130007. The reversal of 212403130002 is 200031304212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212403130007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842869438 + ... + 842869689.

It is an arithmetic number, because the mean of its divisors is an integer number (21914608664).

Almost surely, 2212403130002 is an apocalyptic number.

212403130002 is an abundant number, since it is smaller than the sum of its proper divisors (313547477934).

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

212403130002 is a wasteful number, since it uses less digits than its factorization.

212403130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685739142 (or 1685739139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212403130002 its reverse (200031304212), we get a palindrome (412434434214).

The spelling of 212403130002 in words is "two hundred twelve billion, four hundred three million, one hundred thirty thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1685739127 3371478254 5057217381 10114434762 11800173889 15171652143 23600347778 30343304286 35400521667 70801043334 106201565001 212403130002