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38797206389 = 192041958231
BaseRepresentation
bin100100001000011111…
…100110001101110101
310201010211210021211222
4210020133212031311
51113424041101024
625453450440125
72542300545614
oct441037461565
9121124707758
1038797206389
11154aa014437
127629133045
133873b20676
141c4095187b
1510210e885e
hex9087e6375

38797206389 has 4 divisors (see below), whose sum is σ = 40839164640. Its totient is φ = 36755248140.

The previous prime is 38797206379. The next prime is 38797206431. The reversal of 38797206389 is 98360279783.

It is a happy number.

38797206389 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38797206389 - 212 = 38797202293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797206379) 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, 1020979097 + ... + 1020979134.

It is an arithmetic number, because the mean of its divisors is an integer number (10209791160).

Almost surely, 238797206389 is an apocalyptic number.

It is an amenable number.

38797206389 is a deficient number, since it is larger than the sum of its proper divisors (2041958251).

38797206389 is a wasteful number, since it uses less digits than its factorization.

38797206389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041958250.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 38797206389 in words is "thirty-eight billion, seven hundred ninety-seven million, two hundred six thousand, three hundred eighty-nine".

Divisors: 1 19 2041958231 38797206389