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38424024317953 = 177646921629437
BaseRepresentation
bin10001011110010010010100…
…10100100000000000000001
312001001022010022122100000001
420233021022110200000001
520014014400211133303
6213415430400000001
711044021066551661
oct1057111224400001
9161038108570001
1038424024317953
11112745a001930a
124386a00000001
1318594a6a036a1
1496ba387581a1
1546976c82e31d
hex22f24a520001

38424024317953 has 4 divisors (see below), whose sum is σ = 38424047723860. Its totient is φ = 38424000912048.

The previous prime is 38424024317933. The next prime is 38424024317981. The reversal of 38424024317953 is 35971342042483.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26315176348224 + 12108847969729 = 5129832^2 + 3479777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38424024317953 is a prime.

It is a super-2 number, since 2×384240243179532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38424024317894 and 38424024317903.

It is not an unprimeable number, because it can be changed into a prime (38424024317933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038250 + ... + 12591187.

It is an arithmetic number, because the mean of its divisors is an integer number (9606011930965).

Almost surely, 238424024317953 is an apocalyptic number.

It is an amenable number.

38424024317953 is a deficient number, since it is larger than the sum of its proper divisors (23405907).

38424024317953 is a wasteful number, since it uses less digits than its factorization.

38424024317953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23405906.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 38424024317953 in words is "thirty-eight trillion, four hundred twenty-four billion, twenty-four million, three hundred seventeen thousand, nine hundred fifty-three".

Divisors: 1 1776469 21629437 38424024317953