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93190993984 = 2611234692
BaseRepresentation
bin101011011001010011…
…1011011100001000000
322220112122021222221201
41112302213123201000
53011323343301414
6110451130230544
76506234244004
oct1266247334100
9286478258851
1093190993984
1136581983100
1216089585454
138a31c597ba
144720a20704
15265659b574
hex15b29db840

93190993984 has 63 divisors (see below), whose sum is σ = 203324247021. Its totient is φ = 42347331840.

The previous prime is 93190993967. The next prime is 93190993991. The reversal of 93190993984 is 48939909139.

The square root of 93190993984 is 305272.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2614072384 + 90576921600 = 51128^2 + 300960^2 .

It is a super-2 number, since 2×931909939842 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 26862202 + ... + 26865670.

Almost surely, 293190993984 is an apocalyptic number.

93190993984 is the 305272-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93190993984

93190993984 is an abundant number, since it is smaller than the sum of its proper divisors (110133253037).

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

93190993984 is an frugal number, since it uses more digits than its factorization.

93190993984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 64.

Multiplying 93190993984 by its sum of digits (64), we get a square (5964223614976 = 24421762).

93190993984 divided by its sum of digits (64) gives a square (1456109281 = 381592).

The spelling of 93190993984 in words is "ninety-three billion, one hundred ninety million, nine hundred ninety-three thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 176 242 352 484 704 968 1936 3469 3872 6938 7744 13876 27752 38159 55504 76318 111008 152636 222016 305272 419749 610544 839498 1221088 1678996 2442176 3357992 6715984 12033961 13431968 24067922 26863936 48135844 96271688 132373571 192543376 264747142 385086752 529494284 770173504 1058988568 1456109281 2117977136 2912218562 4235954272 5824437124 8471908544 11648874248 23297748496 46595496992 93190993984