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1230133000 = 23532395147
BaseRepresentation
bin100100101010010…
…0101011100001000
310011201201020020111
41021110211130020
510004403224000
6322022004104
742324646405
oct11124453410
93151636214
101230133000
11581418148
122a3b76634
13167b14b65
14b95352ac
1572eddcba
hex49525708

1230133000 has 64 divisors (see below), whose sum is σ = 2891116800. Its totient is φ = 489899200.

The previous prime is 1230132997. The next prime is 1230133013. The reversal of 1230133000 is 3310321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236427 + ... + 241573.

It is an arithmetic number, because the mean of its divisors is an integer number (45173700).

Almost surely, 21230133000 is an apocalyptic number.

1230133000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445558400).

1230133000 is an abundant number, since it is smaller than the sum of its proper divisors (1660983800).

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

1230133000 is a wasteful number, since it uses less digits than its factorization.

1230133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407 (or 5393 counting only the distinct ones).

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

The square root of 1230133000 is about 35073.2519165246. The cubic root of 1230133000 is about 1071.4798866428.

Adding to 1230133000 its reverse (3310321), we get a palindrome (1233443321).

The spelling of 1230133000 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 239 250 478 500 956 1000 1195 1912 2390 4780 5147 5975 9560 10294 11950 20588 23900 25735 29875 41176 47800 51470 59750 102940 119500 128675 205880 239000 257350 514700 643375 1029400 1230133 1286750 2460266 2573500 4920532 5147000 6150665 9841064 12301330 24602660 30753325 49205320 61506650 123013300 153766625 246026600 307533250 615066500 1230133000