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201220103310 = 2356707336777
BaseRepresentation
bin1011101101100110100…
…1110001110010001110
3201020101101010100120220
42323121221301302032
511244044321301220
6232234513052210
720352264441342
oct2733151616216
9636341110526
10201220103310
1178378558946
1232bb8257066
1315c8a031ab5
149a4c165622
15537a631540
hex2ed9a71c8e

201220103310 has 16 divisors (see below), whose sum is σ = 482928248016. Its totient is φ = 53658694208.

The previous prime is 201220103303. The next prime is 201220103311. The reversal of 201220103310 is 13301022102.

It is a super-2 number, since 2×2012201033102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201220103310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220103311) 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, 3353668359 + ... + 3353668418.

It is an arithmetic number, because the mean of its divisors is an integer number (30183015501).

Almost surely, 2201220103310 is an apocalyptic number.

201220103310 is an abundant number, since it is smaller than the sum of its proper divisors (281708144706).

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

201220103310 is a wasteful number, since it uses less digits than its factorization.

201220103310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707336787.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201220103310 its reverse (13301022102), we get a palindrome (214521125412).

The spelling of 201220103310 in words is "two hundred one billion, two hundred twenty million, one hundred three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 6707336777 13414673554 20122010331 33536683885 40244020662 67073367770 100610051655 201220103310