Search a number
-
+
12049422395021 = 1110687102498553
BaseRepresentation
bin1010111101010111100110…
…0010101010011010001101
31120122220122222000220100022
42233111321202222122031
53034404204113120041
641343232255311525
72352353630311514
oct257257142523215
946586588026308
1012049422395021
1139261498a5770
12142731321b5a5
136953428a52cb
142d92a371567b
1515d676c1d24b
hexaf5798aa68d

12049422395021 has 8 divisors (see below), whose sum is σ = 13146054541824. Its totient is φ = 10952995266720.

The previous prime is 12049422394981. The next prime is 12049422395057. The reversal of 12049422395021 is 12059322494021.

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

It is a cyclic number.

It is not a de Polignac number, because 12049422395021 - 218 = 12049422132877 is a prime.

It is a super-2 number, since 2×120494223950212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049422395321) 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, 51131720 + ... + 51366833.

It is an arithmetic number, because the mean of its divisors is an integer number (1643256817728).

Almost surely, 212049422395021 is an apocalyptic number.

12049422395021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12049422395021 is a deficient number, since it is larger than the sum of its proper divisors (1096632146803).

12049422395021 is a wasteful number, since it uses less digits than its factorization.

12049422395021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102509251.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 12049422395021 in words is "twelve trillion, forty-nine billion, four hundred twenty-two million, three hundred ninety-five thousand, twenty-one".

Divisors: 1 11 10687 117557 102498553 1127484083 1095402035911 12049422395021