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38103793469 = 75443399067
BaseRepresentation
bin100011011111001010…
…011011111100111101
310122100112000021010222
4203133022123330331
51111014032342334
625301000311125
72516150620610
oct433712337475
9118315007128
1038103793469
1115183664005
127474a724a5
133793279571
141bb6810177
15ed02c7d2e
hex8df29bf3d

38103793469 has 4 divisors (see below), whose sum is σ = 43547192544. Its totient is φ = 32660394396.

The previous prime is 38103793463. The next prime is 38103793471. The reversal of 38103793469 is 96439730183.

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 not a de Polignac number, because 38103793469 - 228 = 37835358013 is a prime.

It is a super-2 number, since 2×381037934692 (a number of 22 digits) contains 22 as substring.

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 38103793469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38103793463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721699527 + ... + 2721699540.

It is an arithmetic number, because the mean of its divisors is an integer number (10886798136).

Almost surely, 238103793469 is an apocalyptic number.

It is an amenable number.

38103793469 is a deficient number, since it is larger than the sum of its proper divisors (5443399075).

38103793469 is an equidigital number, since it uses as much as digits as its factorization.

38103793469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443399074.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 38103793469 in words is "thirty-eight billion, one hundred three million, seven hundred ninety-three thousand, four hundred sixty-nine".

Divisors: 1 7 5443399067 38103793469