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28954003443 = 343572215133
BaseRepresentation
bin11010111101110010…
…110000011111110011
32202201212001202211220
4122331302300133303
5433244211102233
621145024440123
72043335653131
oct327562603763
982655052756
1028954003443
1111308864372
125740779043
132965771b21
141589566751
15b46dadeb3
hex6bdcb07f3

28954003443 has 8 divisors (see below), whose sum is σ = 38614215888. Its totient is φ = 19298229984.

The previous prime is 28954003427. The next prime is 28954003453. The reversal of 28954003443 is 34430045982.

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

It is not a de Polignac number, because 28954003443 - 24 = 28954003427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28954003395 and 28954003404.

It is not an unprimeable number, because it can be changed into a prime (28954003453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094496 + ... + 1120637.

It is an arithmetic number, because the mean of its divisors is an integer number (4826776986).

Almost surely, 228954003443 is an apocalyptic number.

28954003443 is a deficient number, since it is larger than the sum of its proper divisors (9660212445).

28954003443 is a wasteful number, since it uses less digits than its factorization.

28954003443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219493.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 28954003443 in words is "twenty-eight billion, nine hundred fifty-four million, three thousand, four hundred forty-three".

Divisors: 1 3 4357 13071 2215133 6645399 9651334481 28954003443