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2100445030 = 251712355559
BaseRepresentation
bin111110100110010…
…0011111101100110
312102101100122220101
41331030203331212
513300203220110
6544231454314
7103023326305
oct17514437546
95371318811
102100445030
11988712492
124a752739a
132762155a8
1415cd6443c
15c460413a
hex7d323f66

2100445030 has 16 divisors (see below), whose sum is σ = 4003201440. Its totient is φ = 790755712.

The previous prime is 2100445027. The next prime is 2100445033. The reversal of 2100445030 is 305440012.

It is an interprime number because it is at equal distance from previous prime (2100445027) and next prime (2100445033).

It is a junction number, because it is equal to n+sod(n) for n = 2100444989 and 2100445007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100445033) 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 7 ways as a sum of consecutive naturals, for example, 6177610 + ... + 6177949.

It is an arithmetic number, because the mean of its divisors is an integer number (250200090).

Almost surely, 22100445030 is an apocalyptic number.

2100445030 is a deficient number, since it is larger than the sum of its proper divisors (1902756410).

2100445030 is a wasteful number, since it uses less digits than its factorization.

2100445030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355583.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2100445030 is about 45830.6123677177. The cubic root of 2100445030 is about 1280.6696183039.

Adding to 2100445030 its reverse (305440012), we get a palindrome (2405885042).

The spelling of 2100445030 in words is "two billion, one hundred million, four hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 12355559 24711118 61777795 123555590 210044503 420089006 1050222515 2100445030