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85630864100 = 2252856308641
BaseRepresentation
bin100111110111111111…
…1110100101011100100
322012000202120121102012
41033233333310223210
52400333000122400
6103201022333352
76121004223005
oct1175777645344
9265022517365
1085630864100
1133352432681
121471972a258
1380c88a7672
1442049391ac
1523629dcd35
hex13efff4ae4

85630864100 has 18 divisors (see below), whose sum is σ = 185818975314. Its totient is φ = 34252345600.

The previous prime is 85630864097. The next prime is 85630864103. The reversal of 85630864100 is 146803658.

It is an interprime number because it is at equal distance from previous prime (85630864097) and next prime (85630864103).

It can be written as a sum of positive squares in 3 ways, for example, as 1367224576 + 84263639524 = 36976^2 + 290282^2 .

It is not an unprimeable number, because it can be changed into a prime (85630864103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428154221 + ... + 428154420.

Almost surely, 285630864100 is an apocalyptic number.

It is an amenable number.

85630864100 is an abundant number, since it is smaller than the sum of its proper divisors (100188111214).

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

85630864100 is a wasteful number, since it uses less digits than its factorization.

85630864100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856308655 (or 856308648 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 85630864100 in words is "eighty-five billion, six hundred thirty million, eight hundred sixty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 856308641 1712617282 3425234564 4281543205 8563086410 17126172820 21407716025 42815432050 85630864100