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121030030203 = 342929939769
BaseRepresentation
bin111000010110111110…
…0111011001101111011
3102120101210100120022020
41300231330323031323
53440332141431303
6131333405325523
711513144165625
oct1605574731573
9376353316266
10121030030203
114736832a055
121b5588668a3
13b54a70a1b4
145c0206dc15
153235619a53
hex1c2df3b37b

121030030203 has 8 divisors (see below), whose sum is σ = 161377304400. Its totient is φ = 80684721408.

The previous prime is 121030030201. The next prime is 121030030243. The reversal of 121030030203 is 302030030121.

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

It is not a de Polignac number, because 121030030203 - 21 = 121030030201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121030030201) 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, 341098 + ... + 598671.

It is an arithmetic number, because the mean of its divisors is an integer number (20172163050).

Almost surely, 2121030030203 is an apocalyptic number.

121030030203 is a deficient number, since it is larger than the sum of its proper divisors (40347274197).

121030030203 is an equidigital number, since it uses as much as digits as its factorization.

121030030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982701.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 121030030203 its reverse (302030030121), we get a palindrome (423060060324).

The spelling of 121030030203 in words is "one hundred twenty-one billion, thirty million, thirty thousand, two hundred three".

Divisors: 1 3 42929 128787 939769 2819307 40343343401 121030030203