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10203441121 = 53192517757
BaseRepresentation
bin10011000000010110…
…00010011111100001
3222100002120111212201
421200023002133201
5131344040103441
64404251053201
7510564550516
oct114013023741
928302514781
1010203441121
114366638375
121b89141201
13c67baab33
146cb19d30d
153eab96c31
hex2602c27e1

10203441121 has 4 divisors (see below), whose sum is σ = 10395958932. Its totient is φ = 10010923312.

The previous prime is 10203441119. The next prime is 10203441133. The reversal of 10203441121 is 12114430201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8578464400 + 1624976721 = 92620^2 + 40311^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203441121 - 21 = 10203441119 is a prime.

It is a super-2 number, since 2×102034411212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203441221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96258826 + ... + 96258931.

It is an arithmetic number, because the mean of its divisors is an integer number (2598989733).

Almost surely, 210203441121 is an apocalyptic number.

It is an amenable number.

10203441121 is a deficient number, since it is larger than the sum of its proper divisors (192517811).

10203441121 is an equidigital number, since it uses as much as digits as its factorization.

10203441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192517810.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10203441121 its reverse (12114430201), we get a palindrome (22317871322).

The spelling of 10203441121 in words is "ten billion, two hundred three million, four hundred forty-one thousand, one hundred twenty-one".

Divisors: 1 53 192517757 10203441121