Search a number
-
+
12699963810 = 233547036903
BaseRepresentation
bin10111101001111101…
…00001000110100010
31012210002020000012000
423310332201012202
5202002142320220
65500112144430
7626500624362
oct136476410642
935702200160
1012699963810
115427886866
122565238116
1312751905b1
148869869a2
154e4e37390
hex2f4fa11a2

12699963810 has 32 divisors (see below), whose sum is σ = 33866570880. Its totient is φ = 3386656944.

The previous prime is 12699963799. The next prime is 12699963821. The reversal of 12699963810 is 1836999621.

12699963810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12699963799) and next prime (12699963821).

It is a super-2 number, since 2×126999638102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23518182 + ... + 23518721.

It is an arithmetic number, because the mean of its divisors is an integer number (1058330340).

Almost surely, 212699963810 is an apocalyptic number.

12699963810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12699963810 is an abundant number, since it is smaller than the sum of its proper divisors (21166607070).

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

12699963810 is a wasteful number, since it uses less digits than its factorization.

12699963810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47036919 (or 47036913 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 12699963810 in words is "twelve billion, six hundred ninety-nine million, nine hundred sixty-three thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 47036903 94073806 141110709 235184515 282221418 423332127 470369030 705553545 846664254 1269996381 1411107090 2116660635 2539992762 4233321270 6349981905 12699963810