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83384160672 = 2531396248813
BaseRepresentation
bin100110110101000010…
…1010101000110100000
321222020012000020201010
41031222011111012200
52331232321120142
6102150043540520
76011223446151
oct1155205250640
9258205006633
1083384160672
11323aa20408a
12141b122a740
137b2b2a3257
1440703c1928
152280647e9c
hex136a1551a0

83384160672 has 48 divisors (see below), whose sum is σ = 220458157920. Its totient is φ = 27594753792.

The previous prime is 83384160653. The next prime is 83384160689. The reversal of 83384160672 is 27606148338.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×833841606722 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3111063 + ... + 3137750.

It is an arithmetic number, because the mean of its divisors is an integer number (4592878290).

Almost surely, 283384160672 is an apocalyptic number.

It is an amenable number.

83384160672 is an abundant number, since it is smaller than the sum of its proper divisors (137073997248).

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

83384160672 is a wasteful number, since it uses less digits than its factorization.

83384160672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248965 (or 6248957 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 83384160672 in words is "eighty-three billion, three hundred eighty-four million, one hundred sixty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 139 278 417 556 834 1112 1668 2224 3336 4448 6672 13344 6248813 12497626 18746439 24995252 37492878 49990504 74985756 99981008 149971512 199962016 299943024 599886048 868585007 1737170014 2605755021 3474340028 5211510042 6948680056 10423020084 13897360112 20846040168 27794720224 41692080336 83384160672