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38229303891 = 318476899351
BaseRepresentation
bin100011100110101001…
…001110001001010011
310122200021011212002010
4203212221032021103
51111243200211031
625321242354003
72522233502322
oct434651161123
9118607155063
1038229303891
1115238499929
1274aaabb903
1337b328269c
141bc93620b9
15edb31b246
hex8e6a4e253

38229303891 has 8 divisors (see below), whose sum is σ = 51000009984. Its totient is φ = 25472400200.

The previous prime is 38229303887. The next prime is 38229303901. The reversal of 38229303891 is 19830392283.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38229303891 - 22 = 38229303887 is a prime.

It is a super-2 number, since 2×382293038912 (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 38229303891.

It is not an unprimeable number, because it can be changed into a prime (38229303491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3444135 + ... + 3455216.

It is an arithmetic number, because the mean of its divisors is an integer number (6375001248).

Almost surely, 238229303891 is an apocalyptic number.

38229303891 is a deficient number, since it is larger than the sum of its proper divisors (12770706093).

38229303891 is a wasteful number, since it uses less digits than its factorization.

38229303891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901201.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 38229303891 in words is "thirty-eight billion, two hundred twenty-nine million, three hundred three thousand, eight hundred ninety-one".

Divisors: 1 3 1847 5541 6899351 20698053 12743101297 38229303891