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10302103231 = 72950749277
BaseRepresentation
bin10011001100000110…
…11001111010111111
3222120222020001211221
421212003121322333
5132044314300411
64422133454211
7513203301250
oct114603317277
928528201757
1010302103231
1144072a5702
121bb61a1367
13c82473694
146da322b27
15404685071
hex2660d9ebf

10302103231 has 8 divisors (see below), whose sum is σ = 12179826720. Its totient is φ = 8525878368.

The previous prime is 10302103129. The next prime is 10302103243. The reversal of 10302103231 is 13230120301.

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

It is not a de Polignac number, because 10302103231 - 29 = 10302102719 is a prime.

It is a super-2 number, since 2×103021032312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302103291) 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, 25374436 + ... + 25374841.

It is an arithmetic number, because the mean of its divisors is an integer number (1522478340).

Almost surely, 210302103231 is an apocalyptic number.

10302103231 is a deficient number, since it is larger than the sum of its proper divisors (1877723489).

10302103231 is an equidigital number, since it uses as much as digits as its factorization.

10302103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50749313.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10302103231 its reverse (13230120301), we get a palindrome (23532223532).

The spelling of 10302103231 in words is "ten billion, three hundred two million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 7 29 203 50749277 355244939 1471729033 10302103231