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105431564248 = 2313178945531
BaseRepresentation
bin110001000110000110…
…1011111111111011000
3101002010201002101122221
41202030031133333120
53211410440023443
6120233512153424
710421456336533
oct1421415377730
9332121071587
10105431564248
114079340777a
1218524998874
139c32bb189a
145162581a1a
152b20edbeed
hex188c35ffd8

105431564248 has 8 divisors (see below), whose sum is σ = 197684182980. Its totient is φ = 52715782120.

The previous prime is 105431564233. The next prime is 105431564263. The reversal of 105431564248 is 842465134501.

It is an interprime number because it is at equal distance from previous prime (105431564233) and next prime (105431564263).

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

It is a super-2 number, since 2×1054315642482 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6589472758 + ... + 6589472773.

Almost surely, 2105431564248 is an apocalyptic number.

It is an amenable number.

105431564248 is a deficient number, since it is larger than the sum of its proper divisors (92252618732).

105431564248 is a wasteful number, since it uses less digits than its factorization.

105431564248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178945537 (or 13178945533 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

Adding to 105431564248 its reverse (842465134501), we get a palindrome (947896698749).

The spelling of 105431564248 in words is "one hundred five billion, four hundred thirty-one million, five hundred sixty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13178945531 26357891062 52715782124 105431564248