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2112010001020 = 225105600500051
BaseRepresentation
bin11110101110111101100…
…110110001101001111100
321110220110121102110101101
4132232331212301221330
5234100344030013040
64254124412022444
7305405401542553
oct36567546615174
97426417373341
102112010001020
11744775649467
122a13a3a61a24
131242142ca79a
14743169b2d9a
1539e117b109a
hex1ebbd9b1a7c

2112010001020 has 12 divisors (see below), whose sum is σ = 4435221002184. Its totient is φ = 844804000400.

The previous prime is 2112010001011. The next prime is 2112010001051. The reversal of 2112010001020 is 201000102112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2112010000988 and 2112010001006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52800250006 + ... + 52800250045.

It is an arithmetic number, because the mean of its divisors is an integer number (369601750182).

Almost surely, 22112010001020 is an apocalyptic number.

2112010001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112010001020 is an abundant number, since it is smaller than the sum of its proper divisors (2323211001164).

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

2112010001020 is a wasteful number, since it uses less digits than its factorization.

2112010001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105600500060 (or 105600500058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2112010001020 its reverse (201000102112), we get a palindrome (2313010103132).

The spelling of 2112010001020 in words is "two trillion, one hundred twelve billion, ten million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 105600500051 211201000102 422402000204 528002500255 1056005000510 2112010001020