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83921585192 = 2310490198149
BaseRepresentation
bin100111000101000011…
…1011100010000101000
322000121122021020112222
41032022013130100220
52333332411211232
6102315242453212
76030440463404
oct1161207342050
9260548236488
1083921585192
1132655602085
1214321204208
137bb572c823
1440c191a104
1522b2904d12
hex138a1dc428

83921585192 has 8 divisors (see below), whose sum is σ = 157352972250. Its totient is φ = 41960792592.

The previous prime is 83921585131. The next prime is 83921585207. The reversal of 83921585192 is 29158512938.

It can be written as a sum of positive squares in only one way, i.e., 49402174756 + 34519410436 = 222266^2 + 185794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×839215851923 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245099067 + ... + 5245099082.

Almost surely, 283921585192 is an apocalyptic number.

It is an amenable number.

83921585192 is a deficient number, since it is larger than the sum of its proper divisors (73431387058).

83921585192 is a wasteful number, since it uses less digits than its factorization.

83921585192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490198155 (or 10490198151 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 53.

The spelling of 83921585192 in words is "eighty-three billion, nine hundred twenty-one million, five hundred eighty-five thousand, one hundred ninety-two".

Divisors: 1 2 4 8 10490198149 20980396298 41960792596 83921585192