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10303020100121 = 72229918190901
BaseRepresentation
bin1001010111101101101111…
…0110100110101000011001
31100110221220012000021002112
42111323123312212220121
52322301041121200441
633525050405242105
72112240304606400
oct225733366465031
940427805007075
1010303020100121
11331253927a231
1211a4964703335
13599755888508
142789513ca637
1512d0128164eb
hex95edbda6a19

10303020100121 has 12 divisors (see below), whose sum is σ = 12037482725220. Its totient is φ = 8792596058400.

The previous prime is 10303020100097. The next prime is 10303020100127. The reversal of 10303020100121 is 12100102030301.

It can be written as a sum of positive squares in 2 ways, for example, as 9819223342096 + 483796758025 = 3133564^2 + 695555^2 .

It is a de Polignac number, because none of the positive numbers 2k-10303020100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303020100096 and 10303020100105.

It is not an unprimeable number, because it can be changed into a prime (10303020100127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459084230 + ... + 459106671.

It is an arithmetic number, because the mean of its divisors is an integer number (1003123560435).

Almost surely, 210303020100121 is an apocalyptic number.

It is an amenable number.

10303020100121 is a deficient number, since it is larger than the sum of its proper divisors (1734462625099).

10303020100121 is an equidigital number, since it uses as much as digits as its factorization.

10303020100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918191144 (or 918191137 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10303020100121 its reverse (12100102030301), we get a palindrome (22403122130422).

The spelling of 10303020100121 in words is "ten trillion, three hundred three billion, twenty million, one hundred thousand, one hundred twenty-one".

Divisors: 1 7 49 229 1603 11221 918190901 6427336307 44991354149 210265716329 1471860014303 10303020100121