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28797802422 = 2313813475477
BaseRepresentation
bin11010110100011110…
…111001011110110110
32202022222010221022220
4122310132321132312
5432434214134142
621121324503210
72036431165434
oct326436713666
982288127286
1028797802422
1111238677214
1256b83aab06
13293c2b159c
141572905d54
15b383072ec
hex6b47b97b6

28797802422 has 16 divisors (see below), whose sum is σ = 57637327152. Its totient is φ = 9592313760.

The previous prime is 28797802393. The next prime is 28797802469. The reversal of 28797802422 is 22420879782.

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, 1729453 + ... + 1746024.

It is an arithmetic number, because the mean of its divisors is an integer number (3602332947).

Almost surely, 228797802422 is an apocalyptic number.

28797802422 is an abundant number, since it is smaller than the sum of its proper divisors (28839524730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28797802422 is a wasteful number, since it uses less digits than its factorization.

28797802422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476863.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 28797802422 in words is "twenty-eight billion, seven hundred ninety-seven million, eight hundred two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 1381 2762 4143 8286 3475477 6950954 10426431 20852862 4799633737 9599267474 14398901211 28797802422