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1230134330 = 25123013433
BaseRepresentation
bin100100101010010…
…0101110000111010
310011201201022001202
41021110211300322
510004403244310
6322022014202
742324653315
oct11124456072
93151638052
101230134330
11581419147
122a3b77362
13167b15649
14b953597c
1572ede3a5
hex49525c3a

1230134330 has 8 divisors (see below), whose sum is σ = 2214241812. Its totient is φ = 492053728.

The previous prime is 1230134317. The next prime is 1230134341. The reversal of 1230134330 is 334310321.

It can be written as a sum of positive squares in 2 ways, for example, as 1226890729 + 3243601 = 35027^2 + 1801^2 .

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

It is a Curzon 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, 61506707 + ... + 61506726.

Almost surely, 21230134330 is an apocalyptic number.

1230134330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230134330 is a deficient number, since it is larger than the sum of its proper divisors (984107482).

1230134330 is a wasteful number, since it uses less digits than its factorization.

1230134330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123013440.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1230134330 is about 35073.2708768373. The cubic root of 1230134330 is about 1071.4802727983.

Adding to 1230134330 its reverse (334310321), we get a palindrome (1564444651).

The spelling of 1230134330 in words is "one billion, two hundred thirty million, one hundred thirty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 123013433 246026866 615067165 1230134330