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1230332330 = 251723213681
BaseRepresentation
bin100100101010101…
…0110000110101010
310011202002100200002
41021111112012222
510004431113310
6322030143002
742326436503
oct11125260652
93152070602
101230332330
11581543987
122a4051a62
13167b847c6
14b9587baa
157302cda5
hex495561aa

1230332330 has 48 divisors (see below), whose sum is σ = 2451431304. Its totient is φ = 443013120.

The previous prime is 1230332321. The next prime is 1230332401. The reversal of 1230332330 is 332330321.

It can be written as a sum of positive squares in 4 ways, for example, as 1227030841 + 3301489 = 35029^2 + 1817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83090 + ... + 96770.

Almost surely, 21230332330 is an apocalyptic number.

1230332330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230332330 is a deficient number, since it is larger than the sum of its proper divisors (1221098974).

1230332330 is a wasteful number, since it uses less digits than its factorization.

1230332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 1230332330 is about 35076.0934255798. The cubic root of 1230332330 is about 1071.5377574993.

Adding to 1230332330 its reverse (332330321), we get a palindrome (1562662651).

The spelling of 1230332330 in words is "one billion, two hundred thirty million, three hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 17 23 34 46 85 115 170 230 391 529 782 1058 1955 2645 3910 5290 8993 13681 17986 27362 44965 68405 89930 136810 232577 314663 465154 629326 1162885 1573315 2325770 3146630 5349271 7237249 10698542 14474498 26746355 36186245 53492710 72372490 123033233 246066466 615166165 1230332330