Base | Representation |
---|---|
bin | 101111010100100011… |
… | …0001100010101100100 |
3 | 100201022011020212222010 |
4 | 1132221012030111210 |
5 | 3131110013030313 |
6 | 114403435234220 |
7 | 10225161060330 |
oct | 1365106142544 |
9 | 321264225863 |
10 | 101621220708 |
11 | 3a108591227 |
12 | 178408a8970 |
13 | 9776665437 |
14 | 4cc04ba7c0 |
15 | 299b72b4c3 |
hex | 17a918c564 |
101621220708 has 48 divisors (see below), whose sum is σ = 271124066304. Its totient is φ = 29020261920.
The previous prime is 101621220691. The next prime is 101621220749. The reversal of 101621220708 is 807022126101.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128148 + ... + 468683.
It is an arithmetic number, because the mean of its divisors is an integer number (5648418048).
Almost surely, 2101621220708 is an apocalyptic number.
It is an amenable number.
101621220708 is an abundant number, since it is smaller than the sum of its proper divisors (169502845596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101621220708 is a wasteful number, since it uses less digits than its factorization.
101621220708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 598872 (or 598870 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 30.
Adding to 101621220708 its reverse (807022126101), we get a palindrome (908643346809).
The spelling of 101621220708 in words is "one hundred one billion, six hundred twenty-one million, two hundred twenty thousand, seven hundred eight".
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