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22143342154 = 261917886383
BaseRepresentation
bin10100100111110110…
…001001011001001010
32010011012121022221111
4110213312021121022
5330322143422104
614101132400534
71412506205563
oct244766113112
963135538844
1022143342154
11943338077a
12435b91614a
13211b75c62b
141100c1516a
15898ee5404
hex527d8964a

22143342154 has 8 divisors (see below), whose sum is σ = 33268674240. Its totient is φ = 11053784076.

The previous prime is 22143342139. The next prime is 22143342157. The reversal of 22143342154 is 45124334122.

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

It is a super-2 number, since 2×221433421542 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22143342157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8941954 + ... + 8944429.

It is an arithmetic number, because the mean of its divisors is an integer number (4158584280).

Almost surely, 222143342154 is an apocalyptic number.

22143342154 is a deficient number, since it is larger than the sum of its proper divisors (11125332086).

22143342154 is a wasteful number, since it uses less digits than its factorization.

22143342154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17887004.

The product of its digits is 23040, while the sum is 31.

Adding to 22143342154 its reverse (45124334122), we get a palindrome (67267676276).

The spelling of 22143342154 in words is "twenty-two billion, one hundred forty-three million, three hundred forty-two thousand, one hundred fifty-four".

Divisors: 1 2 619 1238 17886383 35772766 11071671077 22143342154