Base | Representation |
---|---|
bin | 110001111010011110… |
… | …1010001111001010010 |
3 | 101020200011212022101221 |
4 | 1203310331101321102 |
5 | 3224010330414030 |
6 | 121124130315254 |
7 | 10513145533423 |
oct | 1436475217122 |
9 | 336604768357 |
10 | 107188919890 |
11 | 41505395008 |
12 | 18935428b2a |
13 | a152cc05b0 |
14 | 528bb1764a |
15 | 2bc541ee7a |
hex | 18f4f51e52 |
107188919890 has 32 divisors (see below), whose sum is σ = 208263799296. Its totient is φ = 39485599680.
The previous prime is 107188919857. The next prime is 107188919891. The reversal of 107188919890 is 98919881701.
It is a happy number.
107188919890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1071889198902 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (107188919891) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900502 + ... + 1012561.
It is an arithmetic number, because the mean of its divisors is an integer number (6508243728).
Almost surely, 2107188919890 is an apocalyptic number.
107188919890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
107188919890 is a deficient number, since it is larger than the sum of its proper divisors (101074879406).
107188919890 is a wasteful number, since it uses less digits than its factorization.
107188919890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1913514.
The product of its (nonzero) digits is 2612736, while the sum is 61.
The spelling of 107188919890 in words is "one hundred seven billion, one hundred eighty-eight million, nine hundred nineteen thousand, eight hundred ninety".
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