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28184163668042 = 218317696385491
BaseRepresentation
bin1100110100010001000110…
…00100000101000001001010
310200210101020211021120120012
412122020203010011001022
512143232131344334132
6135535343120431522
75636144564262134
oct632104304050112
9120711224246505
1028184163668042
118a869226a3918
1231b23434785a2
1312959a8317025
146d6199692054
1533d204d090b2
hex19a22310504a

28184163668042 has 8 divisors (see below), whose sum is σ = 42299334664032. Its totient is φ = 14084385446700.

The previous prime is 28184163667949. The next prime is 28184163668071. The reversal of 28184163668042 is 24086636148182.

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

It is a super-2 number, since 2×281841636680422 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848189084 + ... + 3848196407.

It is an arithmetic number, because the mean of its divisors is an integer number (5287416833004).

Almost surely, 228184163668042 is an apocalyptic number.

28184163668042 is a deficient number, since it is larger than the sum of its proper divisors (14115170995990).

28184163668042 is a wasteful number, since it uses less digits than its factorization.

28184163668042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696387324.

The product of its (nonzero) digits is 21233664, while the sum is 59.

The spelling of 28184163668042 in words is "twenty-eight trillion, one hundred eighty-four billion, one hundred sixty-three million, six hundred sixty-eight thousand, forty-two".

Divisors: 1 2 1831 3662 7696385491 15392770982 14092081834021 28184163668042