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228795720986 = 2721377647427
BaseRepresentation
bin1101010100010101001…
…0011010010100011010
3210212120011111212122002
43111011102122110122
512222033201032421
6253035102201002
722346525353220
oct3250522322432
9725504455562
10228795720986
1189039246618
1238413283162
1318763052231
14b106604b10
155e414b9b0b
hex354549a51a

228795720986 has 16 divisors (see below), whose sum is σ = 392404825536. Its totient is φ = 98009411616.

The previous prime is 228795720977. The next prime is 228795721013. The reversal of 228795720986 is 689027597822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3793796 + ... + 3853631.

It is an arithmetic number, because the mean of its divisors is an integer number (24525301596).

Almost surely, 2228795720986 is an apocalyptic number.

228795720986 is a deficient number, since it is larger than the sum of its proper divisors (163609104550).

228795720986 is a wasteful number, since it uses less digits than its factorization.

228795720986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649573.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 228795720986 in words is "two hundred twenty-eight billion, seven hundred ninety-five million, seven hundred twenty thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 2137 4274 14959 29918 7647427 15294854 53531989 107063978 16342551499 32685102998 114397860493 228795720986