Base | Representation |
---|---|
bin | 101111111010110110… |
… | …1101100100110000110 |
3 | 100211121202000012102102 |
4 | 1133311231230212012 |
5 | 3141223100113440 |
6 | 115135154312102 |
7 | 10302060022541 |
oct | 1376555544606 |
9 | 324552005372 |
10 | 102906644870 |
11 | 3a708133447 |
12 | 17b3b288632 |
13 | 991ca68b53 |
14 | 4da30c5858 |
15 | 2a244dcb15 |
hex | 17f5b6c986 |
102906644870 has 8 divisors (see below), whose sum is σ = 185231960784. Its totient is φ = 41162657944.
The previous prime is 102906644851. The next prime is 102906644881. The reversal of 102906644870 is 78446609201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145332234 + ... + 5145332253.
It is an arithmetic number, because the mean of its divisors is an integer number (23153995098).
Almost surely, 2102906644870 is an apocalyptic number.
102906644870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102906644870 is a deficient number, since it is larger than the sum of its proper divisors (82325315914).
102906644870 is a wasteful number, since it uses less digits than its factorization.
102906644870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10290664494.
The product of its (nonzero) digits is 580608, while the sum is 47.
The spelling of 102906644870 in words is "one hundred two billion, nine hundred six million, six hundred forty-four thousand, eight hundred seventy".
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