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38990269358 = 219495134679
BaseRepresentation
bin100100010100000000…
…000100101110101110
310201122022001220110022
4210110000010232232
51114323002104413
625524544442142
72550133551455
oct442400045656
9121568056408
1038990269358
1115598a99507
127681919352
1338a4b19301
141c5c449b9c
151033032608
hex914004bae

38990269358 has 4 divisors (see below), whose sum is σ = 58485404040. Its totient is φ = 19495134678.

The previous prime is 38990269349. The next prime is 38990269397. The reversal of 38990269358 is 85396209983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85396209983 = 712199458569.

It is a super-2 number, since 2×389902693582 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38990269358.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9747567338 + ... + 9747567341.

It is an arithmetic number, because the mean of its divisors is an integer number (14621351010).

Almost surely, 238990269358 is an apocalyptic number.

38990269358 is a deficient number, since it is larger than the sum of its proper divisors (19495134682).

38990269358 is a wasteful number, since it uses less digits than its factorization.

38990269358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495134681.

The product of its (nonzero) digits is 25194240, while the sum is 62.

The spelling of 38990269358 in words is "thirty-eight billion, nine hundred ninety million, two hundred sixty-nine thousand, three hundred fifty-eight".

Divisors: 1 2 19495134679 38990269358