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228816463839 = 31929138424963
BaseRepresentation
bin1101010100011010000…
…1100010011111011111
3210212121121112201110220
43111012201202133133
512222104003320324
6253041122532423
722350166565055
oct3250641423737
9725547481426
10228816463839
1189049a23a77
123841a207113
1318767435802
14b1092841d5
155e43215b79
hex35468627df

228816463839 has 16 divisors (see below), whose sum is σ = 332219913600. Its totient is φ = 139532361696.

The previous prime is 228816463789. The next prime is 228816463853. The reversal of 228816463839 is 938364618822.

It is not a de Polignac number, because 228816463839 - 28 = 228816463583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228816463339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69210829 + ... + 69214134.

It is an arithmetic number, because the mean of its divisors is an integer number (20763744600).

Almost surely, 2228816463839 is an apocalyptic number.

228816463839 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

228816463839 is a deficient number, since it is larger than the sum of its proper divisors (103403449761).

228816463839 is a wasteful number, since it uses less digits than its factorization.

228816463839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138425014.

The product of its digits is 23887872, while the sum is 60.

The spelling of 228816463839 in words is "two hundred twenty-eight billion, eight hundred sixteen million, four hundred sixty-three thousand, eight hundred thirty-nine".

Divisors: 1 3 19 29 57 87 551 1653 138424963 415274889 2630074297 4014323927 7890222891 12042971781 76272154613 228816463839