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10203111301001 = 12780339459063
BaseRepresentation
bin1001010001111001100011…
…0100110001111110001001
31100010102000100222101221012
42110132120310301332021
52314131432443113001
633411124501053305
72102102416044563
oct224363064617611
940112010871835
1010203111301001
11328412a375763
1211895213b7235
135901c2c2b4b8
14273b9450a333
1512a6165e42bb
hex94798d31f89

10203111301001 has 4 divisors (see below), whose sum is σ = 10283450760192. Its totient is φ = 10122771841812.

The previous prime is 10203111300997. The next prime is 10203111301037. The reversal of 10203111301001 is 10010311130201.

It is a happy number.

10203111301001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10203111301001 - 22 = 10203111300997 is a prime.

It is a super-2 number, since 2×102031113010012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203111331001) 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, 40169729405 + ... + 40169729658.

It is an arithmetic number, because the mean of its divisors is an integer number (2570862690048).

Almost surely, 210203111301001 is an apocalyptic number.

It is an amenable number.

10203111301001 is a deficient number, since it is larger than the sum of its proper divisors (80339459191).

10203111301001 is an equidigital number, since it uses as much as digits as its factorization.

10203111301001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80339459190.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10203111301001 its reverse (10010311130201), we get a palindrome (20213422431202).

The spelling of 10203111301001 in words is "ten trillion, two hundred three billion, one hundred eleven million, three hundred one thousand, one".

Divisors: 1 127 80339459063 10203111301001