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1830292213 = 3595098307
BaseRepresentation
bin110110100011000…
…0000101011110101
311201120000110220111
41231012000223311
512222023322323
6501341303021
763233140621
oct15506005365
94646013814
101830292213
1185a1746a2
12430b64a71
13232268059
14135120181
15aaa3dc0d
hex6d180af5

1830292213 has 4 divisors (see below), whose sum is σ = 1835390880. Its totient is φ = 1825193548.

The previous prime is 1830292187. The next prime is 1830292271. The reversal of 1830292213 is 3122920381.

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 a de Polignac number, because none of the positive numbers 2k-1830292213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830292813) 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, 2548795 + ... + 2549512.

It is an arithmetic number, because the mean of its divisors is an integer number (458847720).

Almost surely, 21830292213 is an apocalyptic number.

It is an amenable number.

1830292213 is a deficient number, since it is larger than the sum of its proper divisors (5098667).

1830292213 is an equidigital number, since it uses as much as digits as its factorization.

1830292213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098666.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1830292213 is about 42781.9145551014. The cubic root of 1830292213 is about 1223.2263017097.

The spelling of 1830292213 in words is "one billion, eight hundred thirty million, two hundred ninety-two thousand, two hundred thirteen".

Divisors: 1 359 5098307 1830292213