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201220121033 = 1514211316453
BaseRepresentation
bin1011101101100110100…
…1110110000111001001
3201020101101011020220022
42323121221312013021
511244044322333113
6232234513310225
720352264544121
oct2733151660711
9636341136808
10201220121033
1178378570198
1232bb8265375
1315c8a039b99
149a4c16bc81
15537a636908
hex2ed9a761c9

201220121033 has 8 divisors (see below), whose sum is σ = 202601445696. Its totient is φ = 199839438000.

The previous prime is 201220121023. The next prime is 201220121041. The reversal of 201220121033 is 330121022102.

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

It is a cyclic number.

It is not a de Polignac number, because 201220121033 - 210 = 201220120009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201220121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477635 + ... + 794087.

It is an arithmetic number, because the mean of its divisors is an integer number (25325180712).

Almost surely, 2201220121033 is an apocalyptic number.

It is an amenable number.

201220121033 is a deficient number, since it is larger than the sum of its proper divisors (1381324663).

201220121033 is a wasteful number, since it uses less digits than its factorization.

201220121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320815.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201220121033 its reverse (330121022102), we get a palindrome (531341143135).

The spelling of 201220121033 in words is "two hundred one billion, two hundred twenty million, one hundred twenty-one thousand, thirty-three".

Divisors: 1 151 4211 316453 635861 47784403 1332583583 201220121033