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28290044248 = 2310135012431
BaseRepresentation
bin11010010110001101…
…111101000101011000
32201000120201011001121
4122112031331011120
5430414222403443
620555105455024
72021024260054
oct322615750530
981016634047
1028290044248
1110aa7aa0a64
125596341474
13288b04116b
1415252d0c64
15b0895a4ed
hex69637d158

28290044248 has 16 divisors (see below), whose sum is σ = 53569020960. Its totient is φ = 14004972000.

The previous prime is 28290044227. The next prime is 28290044249. The reversal of 28290044248 is 84244009282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28290044249) 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, 17505408 + ... + 17507023.

It is an arithmetic number, because the mean of its divisors is an integer number (3348063810).

Almost surely, 228290044248 is an apocalyptic number.

It is an amenable number.

28290044248 is a deficient number, since it is larger than the sum of its proper divisors (25278976712).

28290044248 is a wasteful number, since it uses less digits than its factorization.

28290044248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012538 (or 35012534 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 28290044248 in words is "twenty-eight billion, two hundred ninety million, forty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 101 202 404 808 35012431 70024862 140049724 280099448 3536255531 7072511062 14145022124 28290044248