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1230330010 = 257131976863
BaseRepresentation
bin100100101010101…
…0101100010011010
310011202002020111011
41021111111202122
510004431030020
6322030124134
742326426650
oct11125254232
93152066434
101230330010
11581542168
122a405064a
13167b83730
14b9586dd0
157302c35a
hex4955589a

1230330010 has 64 divisors (see below), whose sum is σ = 2739889152. Its totient is φ = 387346176.

The previous prime is 1230329987. The next prime is 1230330011. The reversal of 1230330010 is 100330321.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1230330011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175839 + ... + 182701.

It is an arithmetic number, because the mean of its divisors is an integer number (42810768).

Almost surely, 21230330010 is an apocalyptic number.

1230330010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230330010 is an abundant number, since it is smaller than the sum of its proper divisors (1509559142).

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

1230330010 is a wasteful number, since it uses less digits than its factorization.

1230330010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1230330010 is about 35076.0603546065. The cubic root of 1230330010 is about 1071.5370839768.

Adding to 1230330010 its reverse (100330321), we get a palindrome (1330660331).

The spelling of 1230330010 in words is "one billion, two hundred thirty million, three hundred thirty thousand, ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 197 394 455 910 985 1379 1970 2561 2758 5122 6863 6895 12805 13726 13790 17927 25610 34315 35854 48041 68630 89219 89635 96082 178438 179270 240205 446095 480410 624533 892190 1249066 1352011 2704022 3122665 6245330 6760055 9464077 13520110 17576143 18928154 35152286 47320385 87880715 94640770 123033001 175761430 246066002 615165005 1230330010