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10200103231 = 47491442003
BaseRepresentation
bin10010111111111100…
…10011100100111111
3222022212021221011011
421133332103210333
5131342211300411
64404051340051
7510524306203
oct113776234477
928285257134
1010200103231
11436476858a
121b87bb1627
13c672ac756
146ca970b03
153ea737c21
hex25ff9393f

10200103231 has 8 divisors (see below), whose sum is σ = 10438366464. Its totient is φ = 9962725080.

The previous prime is 10200103219. The next prime is 10200103237. The reversal of 10200103231 is 13230100201.

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

It is a cyclic number.

It is not a de Polignac number, because 10200103231 - 27 = 10200103103 is a prime.

It is a super-2 number, since 2×102001032312 (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 (10200103237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197925 + ... + 244078.

It is an arithmetic number, because the mean of its divisors is an integer number (1304795808).

Almost surely, 210200103231 is an apocalyptic number.

10200103231 is a deficient number, since it is larger than the sum of its proper divisors (238263233).

10200103231 is an equidigital number, since it uses as much as digits as its factorization.

10200103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442541.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10200103231 its reverse (13230100201), we get a palindrome (23430203432).

The spelling of 10200103231 in words is "ten billion, two hundred million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 47 491 23077 442003 20774141 217023473 10200103231