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38005441823 = 713111721183
BaseRepresentation
bin100011011001010011…
…010000010100011111
310122002122221111001102
4203121103100110133
51110313343114243
625243124303315
72513544632246
oct433123202437
9118078844042
1038005441823
1115133098a58
127447b41b3b
133778a9211b
141ba772b95d
15ec684b9b8
hex8d94d051f

38005441823 has 8 divisors (see below), whose sum is σ = 38664677376. Its totient is φ = 37349649400.

The previous prime is 38005441819. The next prime is 38005441841. The reversal of 38005441823 is 32814450083.

It is a happy number.

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

It is not a de Polignac number, because 38005441823 - 22 = 38005441819 is a prime.

It is a super-2 number, since 2×380054418232 (a number of 22 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 (38005641823) 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 7 ways as a sum of consecutive naturals, for example, 838511 + ... + 882672.

It is an arithmetic number, because the mean of its divisors is an integer number (4833084672).

Almost surely, 238005441823 is an apocalyptic number.

38005441823 is a deficient number, since it is larger than the sum of its proper divisors (659235553).

38005441823 is a wasteful number, since it uses less digits than its factorization.

38005441823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721565.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 38005441823 in words is "thirty-eight billion, five million, four hundred forty-one thousand, eight hundred twenty-three".

Divisors: 1 71 311 22081 1721183 122203993 535287913 38005441823