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28076857822 = 2132707398921
BaseRepresentation
bin11010001001100000…
…101101100111011110
32200110201120011021001
4122021200231213132
5430000133422242
620522012300514
72012525232226
oct321140554736
980421504231
1028076857822
11109a8721932
125536a7173a
132855b1ab50
141504c79086
15ae4d98eb7
hex68982d9de

28076857822 has 16 divisors (see below), whose sum is σ = 45371792592. Its totient is φ = 12953730240.

The previous prime is 28076857817. The next prime is 28076857903. The reversal of 28076857822 is 22875867082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129079 + ... + 269842.

It is an arithmetic number, because the mean of its divisors is an integer number (2835737037).

Almost surely, 228076857822 is an apocalyptic number.

28076857822 is a deficient number, since it is larger than the sum of its proper divisors (17294934770).

28076857822 is a wasteful number, since it uses less digits than its factorization.

28076857822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401643.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 28076857822 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-seven thousand, eight hundred twenty-two".

Divisors: 1 2 13 26 2707 5414 35191 70382 398921 797842 5185973 10371946 1079879147 2159758294 14038428911 28076857822