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28060201775 = 5219310919001
BaseRepresentation
bin11010001000100001…
…001011001100101111
32200102120012221110102
4122020201023030233
5424431402424100
620520215301315
72012233531304
oct321041131457
980376187412
1028060201775
111099a285a01
12553137a83b
1328525387b8
1415029810ab
15ae36a8cd5
hex68884b32f

28060201775 has 24 divisors (see below), whose sum is σ = 36639656400. Its totient is φ = 21258720000.

The previous prime is 28060201691. The next prime is 28060201781. The reversal of 28060201775 is 57710206082.

It is not a de Polignac number, because 28060201775 - 212 = 28060197679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1467275 + ... + 1486275.

It is an arithmetic number, because the mean of its divisors is an integer number (1526652350).

Almost surely, 228060201775 is an apocalyptic number.

28060201775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28060201775 is a deficient number, since it is larger than the sum of its proper divisors (8579454625).

28060201775 is a wasteful number, since it uses less digits than its factorization.

28060201775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139 (or 22134 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 28060201775 in words is "twenty-eight billion, sixty million, two hundred one thousand, seven hundred seventy-five".

Divisors: 1 5 19 25 95 475 3109 15545 19001 59071 77725 95005 295355 361019 475025 1476775 1805095 9025475 59074109 295370545 1122408071 1476852725 5612040355 28060201775