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38345454383 = 105136484733
BaseRepresentation
bin100011101101100100…
…010011001100101111
310122222100201220121012
4203231210103030233
51112012414020013
625340552055435
72525143661435
oct435544231457
9118870656535
1038345454383
1115298011475
12752199457b
13380135c3a2
141bda958d55
15ee66111a8
hex8ed91332f

38345454383 has 4 divisors (see below), whose sum is σ = 38381940168. Its totient is φ = 38308968600.

The previous prime is 38345454349. The next prime is 38345454397.

It is a happy number.

38345454383 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38345454383 - 212 = 38345450287 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38345454083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18241316 + ... + 18243417.

It is an arithmetic number, because the mean of its divisors is an integer number (9595485042).

Almost surely, 238345454383 is an apocalyptic number.

38345454383 is a deficient number, since it is larger than the sum of its proper divisors (36485785).

38345454383 is a wasteful number, since it uses less digits than its factorization.

38345454383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36485784.

The product of its digits is 8294400, while the sum is 50.

The spelling of 38345454383 in words is "thirty-eight billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred eighty-three".

Divisors: 1 1051 36484733 38345454383