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1230513110 = 252347891279
BaseRepresentation
bin100100101011000…
…0010001111010110
310011202102112122122
41021112002033112
510010002404420
6322034055542
742331121531
oct11126021726
93152375578
101230513110
11581657792
122a411a5b2
13167c18b88
14b95d3a18
1573066725
hex495823d6

1230513110 has 64 divisors (see below), whose sum is σ = 2388787200. Its totient is φ = 455254272.

The previous prime is 1230513083. The next prime is 1230513139. The reversal of 1230513110 is 113150321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961451 + ... + 962729.

It is an arithmetic number, because the mean of its divisors is an integer number (37324800).

Almost surely, 21230513110 is an apocalyptic number.

1230513110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230513110 is a deficient number, since it is larger than the sum of its proper divisors (1158274090).

1230513110 is a wasteful number, since it uses less digits than its factorization.

1230513110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1230513110 is about 35078.6702997705. The cubic root of 1230513110 is about 1071.5902373873.

Adding to 1230513110 its reverse (113150321), we get a palindrome (1343663431).

The spelling of 1230513110 in words is "one billion, two hundred thirty million, five hundred thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 23 46 47 89 94 115 178 230 235 445 470 890 1081 1279 2047 2162 2558 4094 4183 5405 6395 8366 10235 10810 12790 20470 20915 29417 41830 58834 60113 96209 113831 120226 147085 192418 227662 294170 300565 481045 569155 601130 962090 1138310 1382599 2618113 2765198 5236226 5350057 6912995 10700114 13090565 13825990 26181130 26750285 53500570 123051311 246102622 615256555 1230513110