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1213003031102 = 2606501515551
BaseRepresentation
bin10001101001101100100…
…111010110001000111110
311021221222021012112022222
4101221230213112020332
5124333212233443402
62325125040405342
7153431226433502
oct21515447261076
94257867175288
101213003031102
11428482651895
12177108316852
138a5024ab255
14429d1442302
152184653a7a2
hex11a6c9d623e

1213003031102 has 4 divisors (see below), whose sum is σ = 1819504546656. Its totient is φ = 606501515550.

The previous prime is 1213003031059. The next prime is 1213003031111. The reversal of 1213003031102 is 2011303003121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303250757774 + ... + 303250757777.

It is an arithmetic number, because the mean of its divisors is an integer number (454876136664).

Almost surely, 21213003031102 is an apocalyptic number.

1213003031102 is a deficient number, since it is larger than the sum of its proper divisors (606501515554).

1213003031102 is an equidigital number, since it uses as much as digits as its factorization.

1213003031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606501515553.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1213003031102 its reverse (2011303003121), we get a palindrome (3224306034223).

The spelling of 1213003031102 in words is "one trillion, two hundred thirteen billion, three million, thirty-one thousand, one hundred two".

Divisors: 1 2 606501515551 1213003031102