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2101102030 = 25210110203
BaseRepresentation
bin111110100111100…
…0100010111001110
312102102121001010201
41331033010113032
513300340231110
6544253524114
7103032033616
oct17517042716
95372531121
102101102030
11989021065
124a77a363a
132763b5651
1415d095a46
15c46d3b3a
hex7d3c45ce

2101102030 has 8 divisors (see below), whose sum is σ = 3781983672. Its totient is φ = 840440808.

The previous prime is 2101102021. The next prime is 2101102037. The reversal of 2101102030 is 302011012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 210110203 = 2101102030 / (2 + 1 + 0 + 1 + 1 + 0 + 2 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2101101998 and 2101102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101102037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105055092 + ... + 105055111.

It is an arithmetic number, because the mean of its divisors is an integer number (472747959).

Almost surely, 22101102030 is an apocalyptic number.

2101102030 is a deficient number, since it is larger than the sum of its proper divisors (1680881642).

2101102030 is a wasteful number, since it uses less digits than its factorization.

2101102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210110210.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2101102030 is about 45837.7795055563. The cubic root of 2101102030 is about 1280.8031316332.

Adding to 2101102030 its reverse (302011012), we get a palindrome (2403113042).

The spelling of 2101102030 in words is "two billion, one hundred one million, one hundred two thousand, thirty".

Divisors: 1 2 5 10 210110203 420220406 1050551015 2101102030