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12206050521 = 37658188321
BaseRepresentation
bin10110101111000100…
…11000110011011001
31011111122211121112020
423113202120303121
5144444222104041
65335110005053
7611322501060
oct132742306331
934448747466
1012206050521
1151a3aa7465
122447946789
1311c6a59b02
1483b1371d7
154b68c2866
hex2d7898cd9

12206050521 has 16 divisors (see below), whose sum is σ = 18602732928. Its totient is φ = 6973747200.

The previous prime is 12206050489. The next prime is 12206050523. The reversal of 12206050521 is 12505060221.

It is a happy number.

It is not a de Polignac number, because 12206050521 - 25 = 12206050489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12206050491 and 12206050500.

It is not an unprimeable number, because it can be changed into a prime (12206050523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94041 + ... + 182361.

It is an arithmetic number, because the mean of its divisors is an integer number (1162670808).

Almost surely, 212206050521 is an apocalyptic number.

It is an amenable number.

12206050521 is a deficient number, since it is larger than the sum of its proper divisors (6396682407).

12206050521 is an equidigital number, since it uses as much as digits as its factorization.

12206050521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94912.

The product of its (nonzero) digits is 1200, while the sum is 24.

The spelling of 12206050521 in words is "twelve billion, two hundred six million, fifty thousand, five hundred twenty-one".

Divisors: 1 3 7 21 6581 19743 46067 88321 138201 264963 618247 1854741 581240501 1743721503 4068683507 12206050521