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161372386892 = 22113213563563
BaseRepresentation
bin1001011001001010001…
…0110011011001001100
3120102112022121121220002
42112102202303121030
510120442312340032
6202044454143432
714441646441113
oct2262242633114
9512468547802
10161372386892
116248a561802
1227337351b78
13122a969a982
147b4bcb8c7a
1542e71ca862
hex25928b364c

161372386892 has 12 divisors (see below), whose sum is σ = 282426701256. Its totient is φ = 80679043680.

The previous prime is 161372386871. The next prime is 161372386919. The reversal of 161372386892 is 298683273161.

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 3 ways as a sum of consecutive naturals, for example, 1736498 + ... + 1827065.

It is an arithmetic number, because the mean of its divisors is an integer number (23535558438).

Almost surely, 2161372386892 is an apocalyptic number.

It is an amenable number.

161372386892 is a deficient number, since it is larger than the sum of its proper divisors (121054314364).

161372386892 is a wasteful number, since it uses less digits than its factorization.

161372386892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574888 (or 3574886 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The spelling of 161372386892 in words is "one hundred sixty-one billion, three hundred seventy-two million, three hundred eighty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 11321 22642 45284 3563563 7127126 14254252 40343096723 80686193446 161372386892