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38690842363 = 58765912849
BaseRepresentation
bin100100000010001001…
…110110011011111011
310200212102122102211121
4210002021312123323
51113214323423423
625435131010111
72536536506455
oct440211663373
9120772572747
1038690842363
1115454a76588
1275b9599937
133857a8c284
141c307852d5
151016ad845d
hex9022766fb

38690842363 has 4 divisors (see below), whose sum is σ = 38756755800. Its totient is φ = 38624928928.

The previous prime is 38690842361. The next prime is 38690842381. The reversal of 38690842363 is 36324809683.

38690842363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38690842363 - 21 = 38690842361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38690842363.

It is not an unprimeable number, because it can be changed into a prime (38690842361) 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, 32955838 + ... + 32957011.

It is an arithmetic number, because the mean of its divisors is an integer number (9689188950).

Almost surely, 238690842363 is an apocalyptic number.

38690842363 is a deficient number, since it is larger than the sum of its proper divisors (65913437).

38690842363 is an equidigital number, since it uses as much as digits as its factorization.

38690842363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65913436.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 38690842363 in words is "thirty-eight billion, six hundred ninety million, eight hundred forty-two thousand, three hundred sixty-three".

Divisors: 1 587 65912849 38690842363