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91925000836 = 2222981250209
BaseRepresentation
bin101010110011100101…
…0000011001010000100
322210021102002212211121
41111213022003022010
53001230300011321
6110121343443324
76432662420614
oct1254712031204
9283242085747
1091925000836
1135a922a2779
12159955b6544
13888c89a526
144640832a44
1525d0377441
hex1567283284

91925000836 has 6 divisors (see below), whose sum is σ = 160868751470. Its totient is φ = 45962500416.

The previous prime is 91925000833. The next prime is 91925000863. The reversal of 91925000836 is 63800052919.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52107192900 + 39817807936 = 228270^2 + 199544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91925000792 and 91925000801.

It is not an unprimeable number, because it can be changed into a prime (91925000833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11490625101 + ... + 11490625108.

Almost surely, 291925000836 is an apocalyptic number.

It is an amenable number.

91925000836 is a deficient number, since it is larger than the sum of its proper divisors (68943750634).

91925000836 is a wasteful number, since it uses less digits than its factorization.

91925000836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981250213 (or 22981250211 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 91925000836 in words is "ninety-one billion, nine hundred twenty-five million, eight hundred thirty-six", and thus it is an aban number.

Divisors: 1 2 4 22981250209 45962500418 91925000836