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45878887933 = 67767767929
BaseRepresentation
bin101010101110100110…
…000100010111111101
311101102101012222122121
4222232212010113331
51222424443403213
633024303442541
73212631053524
oct525646042775
9141371188577
1045878887933
111850348860a
128a848b6451
134432025188
1423132914bb
1512d7b9988d
hexaae9845fd

45878887933 has 4 divisors (see below), whose sum is σ = 45946656540. Its totient is φ = 45811119328.

The previous prime is 45878887931. The next prime is 45878887963. The reversal of 45878887933 is 33978887854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33978887854 = 216989443927.

It can be written as a sum of positive squares in 2 ways, for example, as 29895101604 + 15983786329 = 172902^2 + 126427^2 .

It is a cyclic number.

It is not a de Polignac number, because 45878887933 - 21 = 45878887931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45878887931) 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, 33883288 + ... + 33884641.

It is an arithmetic number, because the mean of its divisors is an integer number (11486664135).

Almost surely, 245878887933 is an apocalyptic number.

It is an amenable number.

45878887933 is a deficient number, since it is larger than the sum of its proper divisors (67768607).

45878887933 is an equidigital number, since it uses as much as digits as its factorization.

45878887933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67768606.

The product of its digits is 325140480, while the sum is 70.

The spelling of 45878887933 in words is "forty-five billion, eight hundred seventy-eight million, eight hundred eighty-seven thousand, nine hundred thirty-three".

Divisors: 1 677 67767929 45878887933