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13021220202 = 232170203367
BaseRepresentation
bin11000010000010000…
…00000110101101010
31020121110201112002220
430020020000311222
5203131413021302
65552025534510
7640451355054
oct141010006552
936543645086
1013021220202
115582159511
122634944436
1312c68c1633
148b74d08d4
155132444bc
hex308200d6a

13021220202 has 8 divisors (see below), whose sum is σ = 26042440416. Its totient is φ = 4340406732.

The previous prime is 13021220143. The next prime is 13021220221. The reversal of 13021220202 is 20202212031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13021220202 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085101678 + ... + 1085101689.

It is an arithmetic number, because the mean of its divisors is an integer number (3255305052).

Almost surely, 213021220202 is an apocalyptic number.

13021220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13021220202 is a wasteful number, since it uses less digits than its factorization.

13021220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170203372.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 13021220202 its reverse (20202212031), we get a palindrome (33223432233).

The spelling of 13021220202 in words is "thirteen billion, twenty-one million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 2170203367 4340406734 6510610101 13021220202