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123020211300 = 22352758581053
BaseRepresentation
bin111001010010010010…
…0110111010001100100
3102202112111020020112020
41302210210313101210
54003421133230200
6132303102023140
711613361354110
oct1624444672144
9382474206466
10123020211300
114819977a618
121ba13277ab0
13b7a6b2724c
145d504d0740
1533001dcea0
hex1ca4937464

123020211300 has 72 divisors (see below), whose sum is σ = 406786838976. Its totient is φ = 28118904960.

The previous prime is 123020211299. The next prime is 123020211313. The reversal of 123020211300 is 3112020321.

123020211300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 123020211300.

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 23 ways as a sum of consecutive naturals, for example, 29288427 + ... + 29292626.

It is an arithmetic number, because the mean of its divisors is an integer number (5649817208).

Almost surely, 2123020211300 is an apocalyptic number.

123020211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020211300 is an abundant number, since it is smaller than the sum of its proper divisors (283766627676).

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

123020211300 is a wasteful number, since it uses less digits than its factorization.

123020211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58581077 (or 58581070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123020211300 its reverse (3112020321), we get a palindrome (126132231621).

The spelling of 123020211300 in words is "one hundred twenty-three billion, twenty million, two hundred eleven thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 58581053 117162106 175743159 234324212 292905265 351486318 410067371 585810530 702972636 820134742 878715795 1171621060 1230202113 1464526325 1640269484 1757431590 2050336855 2460404226 2929052650 3514863180 4100673710 4393578975 4920808452 5858105300 6151010565 8201347420 8787157950 10251684275 12302021130 17574315900 20503368550 24604042260 30755052825 41006737100 61510105650 123020211300