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203332103121 = 379682481101
BaseRepresentation
bin1011110101011110001…
…0011010101111010001
3201102211120020001200010
42331113202122233101
511312411004244441
6233224240345133
720455521234240
oct2752742325721
9642746201603
10203332103121
1179261742634
12334a76151a9
1316235761824
149bac856957
155450c69116
hex2f5789abd1

203332103121 has 8 divisors (see below), whose sum is σ = 309839395264. Its totient is φ = 116189773200.

The previous prime is 203332103113. The next prime is 203332103239. The reversal of 203332103121 is 121301233302.

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

It is not a de Polignac number, because 203332103121 - 23 = 203332103113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9682481101 = 203332103121 / (2 + 0 + 3 + 3 + 3 + 2 + 1 + 0 + 3 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (203332103921) 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, 4841240530 + ... + 4841240571.

It is an arithmetic number, because the mean of its divisors is an integer number (38729924408).

Almost surely, 2203332103121 is an apocalyptic number.

203332103121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203332103121 is a deficient number, since it is larger than the sum of its proper divisors (106507292143).

203332103121 is an equidigital number, since it uses as much as digits as its factorization.

203332103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682481111.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203332103121 its reverse (121301233302), we get a palindrome (324633336423).

The spelling of 203332103121 in words is "two hundred three billion, three hundred thirty-two million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 3 7 21 9682481101 29047443303 67777367707 203332103121