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2100004030 = 25210000403
BaseRepresentation
bin111110100101011…
…1000010010111110
312102100112020222001
41331022320102332
513300100112110
6544214212514
7103016511505
oct17512702276
95370466861
102100004030
11988441123
124a735413a
132760bc947
1415cc8b83c
15c456863a
hex7d2b84be

2100004030 has 8 divisors (see below), whose sum is σ = 3780007272. Its totient is φ = 840001608.

The previous prime is 2100004021. The next prime is 2100004037. The reversal of 2100004030 is 304000012.

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: 210000403 = 2100004030 / (2 + 1 + 0 + 0 + 0 + 0 + 4 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2100003998 and 2100004016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100004037) 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, 105000192 + ... + 105000211.

It is an arithmetic number, because the mean of its divisors is an integer number (472500909).

Almost surely, 22100004030 is an apocalyptic number.

2100004030 is a deficient number, since it is larger than the sum of its proper divisors (1680003242).

2100004030 is a wasteful number, since it uses less digits than its factorization.

2100004030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210000410.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2100004030 is about 45825.8009204422. The cubic root of 2100004030 is about 1280.5799841511.

Adding to 2100004030 its reverse (304000012), we get a palindrome (2404004042).

The spelling of 2100004030 in words is "two billion, one hundred million, four thousand, thirty".

Divisors: 1 2 5 10 210000403 420000806 1050002015 2100004030