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1230130230 = 23575857763
BaseRepresentation
bin100100101010010…
…0100110000110110
310011201201002102220
41021110210300312
510004403131410
6322021543210
742324635340
oct11124446066
93151632386
101230130230
1158141605a
122a3b74b06
13167b13814
14b9534290
1572edd070
hex49524c36

1230130230 has 32 divisors (see below), whose sum is σ = 3374072064. Its totient is φ = 281172576.

The previous prime is 1230130219. The next prime is 1230130259. The reversal of 1230130230 is 320310321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928672 + ... + 2929091.

It is an arithmetic number, because the mean of its divisors is an integer number (105439752).

Almost surely, 21230130230 is an apocalyptic number.

1230130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230130230 is an abundant number, since it is smaller than the sum of its proper divisors (2143941834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230130230 is a wasteful number, since it uses less digits than its factorization.

1230130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857780.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1230130230 is about 35073.2124277204. The cubic root of 1230130230 is about 1071.4790823933.

Adding to 1230130230 its reverse (320310321), we get a palindrome (1550440551).

The spelling of 1230130230 in words is "one billion, two hundred thirty million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 5857763 11715526 17573289 29288815 35146578 41004341 58577630 82008682 87866445 123013023 175732890 205021705 246026046 410043410 615065115 1230130230