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10088405287 = 47214646921
BaseRepresentation
bin10010110010101000…
…01101100100100111
3222001002010002101021
421121110031210213
5131130112432122
64345021312011
7505000013212
oct113124154447
928032102337
1010088405287
114307707234
121b56705607
13c4a1015ac
146b9bb6779
153e0a221c7
hex25950d927

10088405287 has 4 divisors (see below), whose sum is σ = 10303052256. Its totient is φ = 9873758320.

The previous prime is 10088405279. The next prime is 10088405303. The reversal of 10088405287 is 78250488001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78250488001 = 711178641143.

It is a cyclic number.

It is not a de Polignac number, because 10088405287 - 23 = 10088405279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10088405087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107323414 + ... + 107323507.

It is an arithmetic number, because the mean of its divisors is an integer number (2575763064).

Almost surely, 210088405287 is an apocalyptic number.

10088405287 is a deficient number, since it is larger than the sum of its proper divisors (214646969).

10088405287 is an equidigital number, since it uses as much as digits as its factorization.

10088405287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214646968.

The product of its (nonzero) digits is 143360, while the sum is 43.

The spelling of 10088405287 in words is "ten billion, eighty-eight million, four hundred five thousand, two hundred eighty-seven".

Divisors: 1 47 214646921 10088405287