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117899712 = 26367192
BaseRepresentation
bin1110000011100…
…00000111000000
322012211221000000
413001300013000
5220140242322
615411000000
72631062640
oct701600700
9265757000
10117899712
1160607887
1233599000
131b56cc58
1411930520
15a53d3ac
hex70701c0

117899712 has 294 divisors, whose sum is σ = 423095928. Its totient is φ = 31912704.

The previous prime is 117899711. The next prime is 117899729. The reversal of 117899712 is 217998711.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117899711) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 6205239 + ... + 6205257.

Almost surely, 2117899712 is an apocalyptic number.

117899712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117899712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211547964).

117899712 is an abundant number, since it is smaller than the sum of its proper divisors (305196216).

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

117899712 is an frugal number, since it uses more digits than its factorization.

117899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 31 counting only the distinct ones).

The product of its digits is 63504, while the sum is 45.

The square root of 117899712 is about 10858.1633806091. The cubic root of 117899712 is about 490.3478191310.

The spelling of 117899712 in words is "one hundred seventeen million, eight hundred ninety-nine thousand, seven hundred twelve".