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3320312001220 = 225179765623533
BaseRepresentation
bin110000010100010010000…
…001000111001011000100
3102202102022020210212122201
4300110102001013023010
5413344444333014340
611021155201204244
7461612266226044
oct60242201071304
912672266725581
103320312001220
111070155623145
124575b9930684
131b1147876936
14b69bd939724
155b58024d79a
hex305120472c4

3320312001220 has 24 divisors (see below), whose sum is σ = 7382811391704. Its totient is φ = 1249999812096.

The previous prime is 3320312001217. The next prime is 3320312001229. The reversal of 3320312001220 is 221002130233.

It can be written as a sum of positive squares in 4 ways, for example, as 278748097156 + 3041563904064 = 527966^2 + 1744008^2 .

It is a super-2 number, since 2×33203120012202 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3320312001229) 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, 4882811427 + ... + 4882812106.

It is an arithmetic number, because the mean of its divisors is an integer number (307617141321).

Almost surely, 23320312001220 is an apocalyptic number.

It is an amenable number.

3320312001220 is an abundant number, since it is smaller than the sum of its proper divisors (4062499390484).

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

3320312001220 is a wasteful number, since it uses less digits than its factorization.

3320312001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765623559 (or 9765623557 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 3320312001220 its reverse (221002130233), we get a palindrome (3541314131453).

The spelling of 3320312001220 in words is "three trillion, three hundred twenty billion, three hundred twelve million, one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 9765623533 19531247066 39062494132 48828117665 97656235330 166015600061 195312470660 332031200122 664062400244 830078000305 1660156000610 3320312001220