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203211211030123 = 407369777150963
BaseRepresentation
bin101110001101000111001100…
…000011000011111001101011
3222122111210122200201100122211
4232031013030003003321223
5203113403030010430443
62000105535214225551
760542345150565622
oct5615071403037153
9878453580640584
10203211211030123
1159827432a1507a
121a95b83b4b52b7
13895097298228a
1438276919226b9
151875ecb0ce19d
hexb8d1cc0c3e6b

203211211030123 has 8 divisors (see below), whose sum is σ = 203290264750608. Its totient is φ = 203132171633664.

The previous prime is 203211211030103. The next prime is 203211211030129. The reversal of 203211211030123 is 321030112112302.

203211211030123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203211211030123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203211211030094 and 203211211030103.

It is not an unprimeable number, because it can be changed into a prime (203211211030129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24841840 + ... + 31992802.

It is an arithmetic number, because the mean of its divisors is an integer number (25411283093826).

Almost surely, 2203211211030123 is an apocalyptic number.

203211211030123 is a deficient number, since it is larger than the sum of its proper divisors (79053720485).

203211211030123 is an equidigital number, since it uses as much as digits as its factorization.

203211211030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162013.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 203211211030123 its reverse (321030112112302), we get a palindrome (524241323142425).

The spelling of 203211211030123 in words is "two hundred three trillion, two hundred eleven billion, two hundred eleven million, thirty thousand, one hundred twenty-three".

Divisors: 1 4073 6977 7150963 28417321 29125872299 49892268851 203211211030123