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12055101 = 319211493
BaseRepresentation
bin101101111111…
…001000111101
3211200110111020
4231333020331
511041230401
61110214353
7204316032
oct55771075
924613436
1012055101
1168941a3
1240543b9
1326610c6
14185b389
1510d1d36
hexb7f23d

12055101 has 8 divisors (see below), whose sum is σ = 16919520. Its totient is φ = 7613712.

The previous prime is 12055079. The next prime is 12055117. The reversal of 12055101 is 10155021.

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

It is not a de Polignac number, because 12055101 - 26 = 12055037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055301) 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, 105690 + ... + 105803.

It is an arithmetic number, because the mean of its divisors is an integer number (2114940).

Almost surely, 212055101 is an apocalyptic number.

It is an amenable number.

12055101 is a deficient number, since it is larger than the sum of its proper divisors (4864419).

12055101 is a wasteful number, since it uses less digits than its factorization.

12055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211515.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 12055101 is about 3472.0456506215. The cubic root of 12055101 is about 229.2927296418.

The spelling of 12055101 in words is "twelve million, fifty-five thousand, one hundred one".

Divisors: 1 3 19 57 211493 634479 4018367 12055101