Base | Representation |
---|---|
bin | 1001111111101000101110… |
… | …1100111100001010111100 |
3 | 1102220112012020220001221120 |
4 | 2133322023230330022330 |
5 | 2420020201230010423 |
6 | 35212114532230540 |
7 | 2212630306112403 |
oct | 237721354741274 |
9 | 42815166801846 |
10 | 10988870156988 |
11 | 35573987a7149 |
12 | 129587246b450 |
13 | 619327637529 |
14 | 29dc1534663a |
15 | 140ca451cee3 |
hex | 9fe8bb3c2bc |
10988870156988 has 12 divisors (see below), whose sum is σ = 25640697033000. Its totient is φ = 3662956718992.
The previous prime is 10988870156983. The next prime is 10988870156989. The reversal of 10988870156988 is 88965107888901.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10988870156983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457869589863 + ... + 457869589886.
It is an arithmetic number, because the mean of its divisors is an integer number (2136724752750).
Almost surely, 210988870156988 is an apocalyptic number.
It is an amenable number.
10988870156988 is an abundant number, since it is smaller than the sum of its proper divisors (14651826876012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10988870156988 is a wasteful number, since it uses less digits than its factorization.
10988870156988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915739179756 (or 915739179754 counting only the distinct ones).
The product of its (nonzero) digits is 557383680, while the sum is 78.
The spelling of 10988870156988 in words is "ten trillion, nine hundred eighty-eight billion, eight hundred seventy million, one hundred fifty-six thousand, nine hundred eighty-eight".
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