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28030101051 = 373733174613
BaseRepresentation
bin11010000110101110…
…010110011000111011
32200100110120200000210
4122012232112120323
5424401201213201
620513222202203
72011416633141
oct320656263073
980313520023
1028030101051
1110984296877
125523283363
132849229a14
1414dc987591
15ae0c101d6
hex686b9663b

28030101051 has 16 divisors (see below), whose sum is σ = 37937336096. Its totient is φ = 18405501696.

The previous prime is 28030101013. The next prime is 28030101083. The reversal of 28030101051 is 15010103082.

It is not a de Polignac number, because 28030101051 - 223 = 28021712443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28030100051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 73221 + ... + 247833.

It is an arithmetic number, because the mean of its divisors is an integer number (2371083506).

Almost surely, 228030101051 is an apocalyptic number.

28030101051 is a deficient number, since it is larger than the sum of its proper divisors (9907235045).

28030101051 is a wasteful number, since it uses less digits than its factorization.

28030101051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175422.

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 28030101051 in words is "twenty-eight billion, thirty million, one hundred one thousand, fifty-one".

Divisors: 1 3 73 219 733 2199 53509 160527 174613 523839 12746749 38240247 127991329 383973987 9343367017 28030101051