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2300125021 = 11511998371
BaseRepresentation
bin1000100100011001…
…0001111101011101
312221022002110100121
42021012101331131
514202313000041
61020123354541
7110666511565
oct21106217535
95838073317
102300125021
11a803a6a77
12542382a51
132a86ba02c
1417b6a1da5
15d6de87d1
hex89191f5d

2300125021 has 4 divisors (see below), whose sum is σ = 2302124544. Its totient is φ = 2298125500.

The previous prime is 2300125019. The next prime is 2300125043. The reversal of 2300125021 is 1205210032.

2300125021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2300125021 - 21 = 2300125019 is a prime.

It is a super-2 number, since 2×23001250212 = 10581150224460500882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2300124986 and 2300125004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300125001) 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, 998035 + ... + 1000336.

It is an arithmetic number, because the mean of its divisors is an integer number (575531136).

Almost surely, 22300125021 is an apocalyptic number.

It is an amenable number.

2300125021 is a deficient number, since it is larger than the sum of its proper divisors (1999523).

2300125021 is a wasteful number, since it uses less digits than its factorization.

2300125021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999522.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2300125021 is about 47959.6186494430. The cubic root of 2300125021 is about 1320.0300385344.

Adding to 2300125021 its reverse (1205210032), we get a palindrome (3505335053).

The spelling of 2300125021 in words is "two billion, three hundred million, one hundred twenty-five thousand, twenty-one".

Divisors: 1 1151 1998371 2300125021