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3100330300020 = 2235291781799023
BaseRepresentation
bin101101000111011010000…
…101100001001001110100
3101222101111100102121010220
4231013122011201021310
5401243434024100040
610332134434014340
7436664034510312
oct55073205411164
911871440377126
103100330300020
11a9592a6a10a8
12420a464173b0
1319648a8b8b35
14aa0b1b770b2
15559a79752d0
hex2d1da161274

3100330300020 has 48 divisors (see below), whose sum is σ = 8980267080960. Its totient is φ = 798245961856.

The previous prime is 3100330300019. The next prime is 3100330300027. The reversal of 3100330300020 is 200030330013.

It is a super-2 number, since 2×31003303000202 (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100330300027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890897772 + ... + 890901251.

It is an arithmetic number, because the mean of its divisors is an integer number (187088897520).

Almost surely, 23100330300020 is an apocalyptic number.

3100330300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3100330300020 is an abundant number, since it is smaller than the sum of its proper divisors (5879936780940).

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

3100330300020 is a wasteful number, since it uses less digits than its factorization.

3100330300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781799064 (or 1781799062 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 3100330300020 its reverse (200030330013), we get a palindrome (3300360630033).

The spelling of 3100330300020 in words is "three trillion, one hundred billion, three hundred thirty million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 1781799023 3563598046 5345397069 7127196092 8908995115 10690794138 17817990230 21381588276 26726985345 35635980460 51672171667 53453970690 103344343334 106907941380 155016515001 206688686668 258360858335 310033030002 516721716670 620066060004 775082575005 1033443433340 1550165150010 3100330300020