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1830155830 = 25183015583
BaseRepresentation
bin110110100010101…
…1111011000110110
311201112202112211021
41231011133120312
512222004441310
6501334331354
763232032166
oct15505373066
94645675737
101830155830
1185a091188
12430ab9b5a
1323221ac59
141350c65a6
15aaa135da
hex6d15f636

1830155830 has 8 divisors (see below), whose sum is σ = 3294280512. Its totient is φ = 732062328.

The previous prime is 1830155813. The next prime is 1830155843. The reversal of 1830155830 is 385510381.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91507782 + ... + 91507801.

It is an arithmetic number, because the mean of its divisors is an integer number (411785064).

Almost surely, 21830155830 is an apocalyptic number.

1830155830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1830155830 is a deficient number, since it is larger than the sum of its proper divisors (1464124682).

1830155830 is a wasteful number, since it uses less digits than its factorization.

1830155830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183015590.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1830155830 is about 42780.3205925341. The cubic root of 1830155830 is about 1223.1959183251.

The spelling of 1830155830 in words is "one billion, eight hundred thirty million, one hundred fifty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 183015583 366031166 915077915 1830155830