Search a number
-
+
38786682828551 = 75540954689793
BaseRepresentation
bin10001101000110101110100…
…11100111011011100000111
312002022222012121121111102212
420310122322130323130013
520040440111301003201
6214254204530254035
711112150105204650
oct1064327234733407
9162288177544385
1038786682828551
11113a4381320a69
12442515172731b
131884750caa468
149813dd462527
15473de5d2cabb
hex2346ba73b707

38786682828551 has 4 divisors (see below), whose sum is σ = 44327637518352. Its totient is φ = 33245728138752.

The previous prime is 38786682828521. The next prime is 38786682828583. The reversal of 38786682828551 is 15582828668783.

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 38786682828551 - 238 = 38511804921607 is a prime.

It is a super-2 number, since 2×387866828285512 (a number of 28 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 (38786682828521) 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, 2770477344890 + ... + 2770477344903.

It is an arithmetic number, because the mean of its divisors is an integer number (11081909379588).

Almost surely, 238786682828551 is an apocalyptic number.

38786682828551 is a deficient number, since it is larger than the sum of its proper divisors (5540954689801).

38786682828551 is an equidigital number, since it uses as much as digits as its factorization.

38786682828551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540954689800.

The product of its digits is 2477260800, while the sum is 77.

The spelling of 38786682828551 in words is "thirty-eight trillion, seven hundred eighty-six billion, six hundred eighty-two million, eight hundred twenty-eight thousand, five hundred fifty-one".

Divisors: 1 7 5540954689793 38786682828551