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12030131310 = 23525110491523
BaseRepresentation
bin10110011010000110…
…10011110001101110
31011001101210222201220
423031003103301232
5144114203200220
65305423244210
7604055300061
oct131503236156
934041728656
1012030131310
11511377178a
1223b8a49666
1311994844c2
14821a228d8
154a6223540
hex2cd0d3c6e

12030131310 has 64 divisors (see below), whose sum is σ = 29034028800. Its totient is φ = 3190112000.

The previous prime is 12030131291. The next prime is 12030131341. The reversal of 12030131310 is 1313103021.

It is a super-2 number, since 2×120301313102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12030131310.

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, 7898209 + ... + 7899731.

It is an arithmetic number, because the mean of its divisors is an integer number (453656700).

Almost surely, 212030131310 is an apocalyptic number.

12030131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030131310 is an abundant number, since it is smaller than the sum of its proper divisors (17003897490).

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

12030131310 is a wasteful number, since it uses less digits than its factorization.

12030131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12030131310 its reverse (1313103021), we get a palindrome (13343234331).

The spelling of 12030131310 in words is "twelve billion, thirty million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 251 502 753 1049 1255 1506 1523 2098 2510 3046 3147 3765 4569 5245 6294 7530 7615 9138 10490 15230 15735 22845 31470 45690 263299 382273 526598 764546 789897 1146819 1316495 1579794 1597627 1911365 2293638 2632990 3195254 3822730 3949485 4792881 5734095 7898970 7988135 9585762 11468190 15976270 23964405 47928810 401004377 802008754 1203013131 2005021885 2406026262 4010043770 6015065655 12030131310