Base | Representation |
---|---|
bin | 101111000010110011… |
… | …0001011001001000010 |
3 | 100122202122112110202120 |
4 | 1132011212023021002 |
5 | 3123400024442032 |
6 | 114224401425110 |
7 | 10204336432545 |
oct | 1360546131102 |
9 | 318678473676 |
10 | 101025624642 |
11 | 39932371078 |
12 | 176b533b196 |
13 | 96b014c227 |
14 | 4c6535c85c |
15 | 29642cd62c |
hex | 178598b242 |
101025624642 has 32 divisors (see below), whose sum is σ = 204765200640. Its totient is φ = 33224526720.
The previous prime is 101025624599. The next prime is 101025624643. The reversal of 101025624642 is 246426520101.
It is not an unprimeable number, because it can be changed into a prime (101025624643) 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, 40983 + ... + 451365.
It is an arithmetic number, because the mean of its divisors is an integer number (6398912520).
Almost surely, 2101025624642 is an apocalyptic number.
101025624642 is an abundant number, since it is smaller than the sum of its proper divisors (103739575998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101025624642 is a wasteful number, since it uses less digits than its factorization.
101025624642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410938.
The product of its (nonzero) digits is 23040, while the sum is 33.
The spelling of 101025624642 in words is "one hundred one billion, twenty-five million, six hundred twenty-four thousand, six hundred forty-two".
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