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32023148381 = 74574735483
BaseRepresentation
bin11101110100101110…
…100111011101011101
310001122202012111012122
4131310232213131131
51011040411222011
622413343112325
72212364161430
oct356456473535
9101582174178
1032023148381
1112643261394
1262585a26a5
133034585913
14179b00b817
15c765603db
hex774ba775d

32023148381 has 4 divisors (see below), whose sum is σ = 36597883872. Its totient is φ = 27448412892.

The previous prime is 32023148371. The next prime is 32023148407. The reversal of 32023148381 is 18384132023.

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 32023148381 - 218 = 32022886237 is a prime.

It is a super-2 number, since 2×320231483812 (a number of 22 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 (32023148341) 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, 2287367735 + ... + 2287367748.

It is an arithmetic number, because the mean of its divisors is an integer number (9149470968).

Almost surely, 232023148381 is an apocalyptic number.

It is an amenable number.

32023148381 is a deficient number, since it is larger than the sum of its proper divisors (4574735491).

32023148381 is an equidigital number, since it uses as much as digits as its factorization.

32023148381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574735490.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 32023148381 in words is "thirty-two billion, twenty-three million, one hundred forty-eight thousand, three hundred eighty-one".

Divisors: 1 7 4574735483 32023148381