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3101400221420 = 225732124246727
BaseRepresentation
bin101101001000011001110…
…110111100011011101100
3101222111020220200020101102
4231020121312330123230
5401303131424041140
610332432534102232
7440032405626554
oct55103166743354
911874226606342
103101400221420
11a96329631966
124210a47aa978
131965cb467b17
14aa173cc6164
1555a1b868e15
hex2d219dbc6ec

3101400221420 has 24 divisors (see below), whose sum is σ = 6602158830624. Its totient is φ = 1223566114176.

The previous prime is 3101400221371. The next prime is 3101400221471. The reversal of 3101400221420 is 241220041013.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3101400221392 and 3101400221401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062121904 + ... + 1062124823.

It is an arithmetic number, because the mean of its divisors is an integer number (275089951276).

Almost surely, 23101400221420 is an apocalyptic number.

It is an amenable number.

3101400221420 is an abundant number, since it is smaller than the sum of its proper divisors (3500758609204).

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

3101400221420 is a wasteful number, since it uses less digits than its factorization.

3101400221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124246809 (or 2124246807 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 3101400221420 its reverse (241220041013), we get a palindrome (3342620262433).

The spelling of 3101400221420 in words is "three trillion, one hundred one billion, four hundred million, two hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2124246727 4248493454 8496986908 10621233635 21242467270 42484934540 155070011071 310140022142 620280044284 775350055355 1550700110710 3101400221420