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28005814274 = 2107137955243
BaseRepresentation
bin11010000101010001…
…101101000000000010
32200021202212202211112
4122011101231000002
5424323442024044
620510553443322
72011003331204
oct320521550002
980252782745
1028005814274
1110971608859
125517110542
1328441a5349
1414d9664774
15adda1409e
hex68546d002

28005814274 has 16 divisors (see below), whose sum is σ = 42710869728. Its totient is φ = 13770768672.

The previous prime is 28005814271. The next prime is 28005814279. The reversal of 28005814274 is 47241850082.

It is not an unprimeable number, because it can be changed into a prime (28005814271) 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, 448304 + ... + 506939.

It is an arithmetic number, because the mean of its divisors is an integer number (2669429358).

Almost surely, 228005814274 is an apocalyptic number.

28005814274 is a deficient number, since it is larger than the sum of its proper divisors (14705055454).

28005814274 is a wasteful number, since it uses less digits than its factorization.

28005814274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955489.

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 28005814274 in words is "twenty-eight billion, five million, eight hundred fourteen thousand, two hundred seventy-four".

Divisors: 1 2 107 137 214 274 14659 29318 955243 1910486 102211001 130868291 204422002 261736582 14002907137 28005814274