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12021010093 = 13986482087
BaseRepresentation
bin10110011001000001…
…00000111010101101
31011000202122120210001
423030200200322231
5144104334310333
65304455544301
7603614620441
oct131440407255
934022576701
1012021010093
115109601894
1223b598b091
13119760c931
1482072a821
154a5520b7d
hex2cc820ead

12021010093 has 4 divisors (see below), whose sum is σ = 12107492320. Its totient is φ = 11934527868.

The previous prime is 12021010073. The next prime is 12021010103. The reversal of 12021010093 is 39001012021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39001012021 = 71215476901.

It is a cyclic number.

It is not a de Polignac number, because 12021010093 - 229 = 11484139181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021010093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021010013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43240905 + ... + 43241182.

It is an arithmetic number, because the mean of its divisors is an integer number (3026873080).

Almost surely, 212021010093 is an apocalyptic number.

It is an amenable number.

12021010093 is a deficient number, since it is larger than the sum of its proper divisors (86482227).

12021010093 is an equidigital number, since it uses as much as digits as its factorization.

12021010093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86482226.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 12021010093 in words is "twelve billion, twenty-one million, ten thousand, ninety-three".

Divisors: 1 139 86482087 12021010093