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121030133011 = 472575109213
BaseRepresentation
bin111000010110111110…
…1010100010100010011
3102120101210112210022221
41300231331110110103
53440332203224021
6131333411441511
711513145104434
oct1605575242423
9376353483287
10121030133011
114736839a317
121b5588b6297
13b54a744c28
145c0209948b
15323563a241
hex1c2df54513

121030133011 has 4 divisors (see below), whose sum is σ = 123605242272. Its totient is φ = 118455023752.

The previous prime is 121030132999. The next prime is 121030133039. The reversal of 121030133011 is 110331030121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121030133011 - 225 = 120996578579 is a prime.

It is a super-2 number, since 2×1210301330112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121030133111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287554560 + ... + 1287554653.

It is an arithmetic number, because the mean of its divisors is an integer number (30901310568).

Almost surely, 2121030133011 is an apocalyptic number.

121030133011 is a deficient number, since it is larger than the sum of its proper divisors (2575109261).

121030133011 is an equidigital number, since it uses as much as digits as its factorization.

121030133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575109260.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121030133011 its reverse (110331030121), we get a palindrome (231361163132).

The spelling of 121030133011 in words is "one hundred twenty-one billion, thirty million, one hundred thirty-three thousand, eleven".

Divisors: 1 47 2575109213 121030133011