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11748478100 = 2252117484781
BaseRepresentation
bin10101111000100001…
…11000110010010100
31010022202211112011112
422330100320302110
5143030102244400
65221442354152
7564065262512
oct127420706224
933282745145
1011748478100
114a89789537
12233a65b958
13115300b4b8
147d64674b2
1548b63a835
hex2bc438c94

11748478100 has 18 divisors (see below), whose sum is σ = 25494197694. Its totient is φ = 4699391200.

The previous prime is 11748478097. The next prime is 11748478121. The reversal of 11748478100 is 187484711.

It can be written as a sum of positive squares in 3 ways, for example, as 745726864 + 11002751236 = 27308^2 + 104894^2 .

It is a super-2 number, since 2×117484781002 (a number of 21 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 in 5 ways as a sum of consecutive naturals, for example, 58742291 + ... + 58742490.

Almost surely, 211748478100 is an apocalyptic number.

11748478100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11748478100 is an abundant number, since it is smaller than the sum of its proper divisors (13745719594).

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

11748478100 is a wasteful number, since it uses less digits than its factorization.

11748478100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117484795 (or 117484788 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 41.

The spelling of 11748478100 in words is "eleven billion, seven hundred forty-eight million, four hundred seventy-eight thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 117484781 234969562 469939124 587423905 1174847810 2349695620 2937119525 5874239050 11748478100