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10203303241 = 13177887811
BaseRepresentation
bin10011000000010101…
…00000110101001001
3222100002022111202001
421200022200311021
5131344021200431
64404244111001
7510563434525
oct114012406511
928302274661
1010203303241
11436655381a
121b89095461
13c67b60151
146cb164d85
153eab6ae61
hex2602a0d49

10203303241 has 4 divisors (see below), whose sum is σ = 10281191184. Its totient is φ = 10125415300.

The previous prime is 10203303199. The next prime is 10203303251. The reversal of 10203303241 is 14230330201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14230330201 = 47302772983.

It is a cyclic number.

It is not a de Polignac number, because 10203303241 - 29 = 10203302729 is a prime.

It is a super-2 number, since 2×102033032412 (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 (10203303251) 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, 38943775 + ... + 38944036.

It is an arithmetic number, because the mean of its divisors is an integer number (2570297796).

Almost surely, 210203303241 is an apocalyptic number.

It is an amenable number.

10203303241 is a deficient number, since it is larger than the sum of its proper divisors (77887943).

10203303241 is an equidigital number, since it uses as much as digits as its factorization.

10203303241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77887942.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10203303241 its reverse (14230330201), we get a palindrome (24433633442).

The spelling of 10203303241 in words is "ten billion, two hundred three million, three hundred three thousand, two hundred forty-one".

Divisors: 1 131 77887811 10203303241