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1230430000 = 2454711733
BaseRepresentation
bin100100101010110…
…1101111100110000
310011202021022122111
41021111231330300
510004442230000
6322032215104
742330324322
oct11125557460
93152238574
101230430000
115816002a8
122a409a494
13167bba0b7
14b95b1612
157304bcba
hex4956df30

1230430000 has 100 divisors (see below), whose sum is σ = 3022694928. Its totient is φ = 484960000.

The previous prime is 1230429973. The next prime is 1230430001. The reversal of 1230430000 is 340321.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (1230430001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 709134 + ... + 710866.

Almost surely, 21230430000 is an apocalyptic number.

1230430000 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 1230430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511347464).

1230430000 is an abundant number, since it is smaller than the sum of its proper divisors (1792264928).

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

1230430000 is an equidigital number, since it uses as much as digits as its factorization.

1230430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1230430000 is about 35077.4856567571. The cubic root of 1230430000 is about 1071.5661114437.

Adding to 1230430000 its reverse (340321), we get a palindrome (1230770321).

The spelling of 1230430000 in words is "one billion, two hundred thirty million, four hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 71 80 100 125 142 200 250 284 355 400 500 568 625 710 1000 1136 1250 1420 1733 1775 2000 2500 2840 3466 3550 5000 5680 6932 7100 8665 8875 10000 13864 14200 17330 17750 27728 28400 34660 35500 43325 44375 69320 71000 86650 88750 123043 138640 142000 173300 177500 216625 246086 346600 355000 433250 492172 615215 693200 710000 866500 984344 1083125 1230430 1733000 1968688 2166250 2460860 3076075 3466000 4332500 4921720 6152150 8665000 9843440 12304300 15380375 17330000 24608600 30760750 49217200 61521500 76901875 123043000 153803750 246086000 307607500 615215000 1230430000