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28158033046 = 2111398454661
BaseRepresentation
bin11010001110010110…
…010111110010010110
32200200101022021201211
4122032112113302112
5430131424024141
620534032212034
72014532221543
oct321626276226
980611267654
1028158033046
1110a3a525aa0
12555a09a01a
1328698a0120
141511969bca
15aec080d81
hex68e597c96

28158033046 has 16 divisors (see below), whose sum is σ = 49621149648. Its totient is φ = 11814559200.

The previous prime is 28158033037. The next prime is 28158033083. The reversal of 28158033046 is 64033085182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49227045 + ... + 49227616.

It is an arithmetic number, because the mean of its divisors is an integer number (3101321853).

Almost surely, 228158033046 is an apocalyptic number.

28158033046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28158033046 is a deficient number, since it is larger than the sum of its proper divisors (21463116602).

28158033046 is a wasteful number, since it uses less digits than its factorization.

28158033046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98454687.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 28158033046 in words is "twenty-eight billion, one hundred fifty-eight million, thirty-three thousand, forty-six".

Divisors: 1 2 11 13 22 26 143 286 98454661 196909322 1083001271 1279910593 2166002542 2559821186 14079016523 28158033046