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1220103313310 = 25717430047333
BaseRepresentation
bin10001110000010011110…
…100110001011110011110
311022122022002122020110002
4101300103310301132132
5124442232422011220
62332301400214302
7154102204021640
oct21602364613636
94278262566402
101220103313310
1143049656aa12
1217856a16a392
138b0944c627b
14430a6424890
1521b0ea62c75
hex11c13d3179e

1220103313310 has 16 divisors (see below), whose sum is σ = 2509926816096. Its totient is φ = 418321135968.

The previous prime is 1220103313237. The next prime is 1220103313313. The reversal of 1220103313310 is 133133010221.

It is a super-2 number, since 2×12201033133102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220103313313) 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, 8715023597 + ... + 8715023736.

It is an arithmetic number, because the mean of its divisors is an integer number (156870426006).

Almost surely, 21220103313310 is an apocalyptic number.

1220103313310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220103313310 is an abundant number, since it is smaller than the sum of its proper divisors (1289823502786).

1220103313310 is a wasteful number, since it uses less digits than its factorization.

1220103313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17430047347.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1220103313310 its reverse (133133010221), we get a palindrome (1353236323531).

The spelling of 1220103313310 in words is "one trillion, two hundred twenty billion, one hundred three million, three hundred thirteen thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 17430047333 34860094666 87150236665 122010331331 174300473330 244020662662 610051656655 1220103313310