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10203303121 = 112391738783
BaseRepresentation
bin10011000000010101…
…00000110011010001
3222100002022111120121
421200022200303101
5131344021144441
64404244110241
7510563434264
oct114012406321
928302274517
1010203303121
114366553720
121b89095381
13c67b6008b
146cb164cdb
153eab6add1
hex2602a0cd1

10203303121 has 8 divisors (see below), whose sum is σ = 11131628544. Its totient is φ = 9275103120.

The previous prime is 10203303023. The next prime is 10203303127. The reversal of 10203303121 is 12130330201.

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 10203303121 - 215 = 10203270353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203303095 and 10203303104.

It is not an unprimeable number, because it can be changed into a prime (10203303127) 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, 243696 + ... + 282478.

It is an arithmetic number, because the mean of its divisors is an integer number (1391453568).

Almost surely, 210203303121 is an apocalyptic number.

10203303121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10203303121 is a deficient number, since it is larger than the sum of its proper divisors (928325423).

10203303121 is a wasteful number, since it uses less digits than its factorization.

10203303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62711.

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

Adding to 10203303121 its reverse (12130330201), we get a palindrome (22333633322).

The spelling of 10203303121 in words is "ten billion, two hundred three million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 11 23917 38783 263087 426613 927573011 10203303121