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21454461119 = 713235763309
BaseRepresentation
bin10011111110110010…
…010001100010111111
32001101012100112211002
4103332302101202333
5322414320223434
613504523320515
71356442624220
oct237662214277
961335315732
1021454461119
11910a536203
1241a908013b
13203bb14210
141077533247
158587bc57e
hex4fec918bf

21454461119 has 8 divisors (see below), whose sum is σ = 26405490720. Its totient is φ = 16974958176.

The previous prime is 21454460981. The next prime is 21454461163. The reversal of 21454461119 is 91116445412.

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 21454461119 - 224 = 21437683903 is a prime.

It is a super-2 number, since 2×214544611192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21454461169) 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, 117881564 + ... + 117881745.

It is an arithmetic number, because the mean of its divisors is an integer number (3300686340).

Almost surely, 221454461119 is an apocalyptic number.

21454461119 is a deficient number, since it is larger than the sum of its proper divisors (4951029601).

21454461119 is a wasteful number, since it uses less digits than its factorization.

21454461119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235763329.

The product of its digits is 34560, while the sum is 38.

The spelling of 21454461119 in words is "twenty-one billion, four hundred fifty-four million, four hundred sixty-one thousand, one hundred nineteen".

Divisors: 1 7 13 91 235763309 1650343163 3064923017 21454461119