Base | Representation |
---|---|
bin | 101111011001100000… |
… | …0000010101110001100 |
3 | 100201201201220200111221 |
4 | 1132303000002232030 |
5 | 3131430032134440 |
6 | 114432132453124 |
7 | 10232246313502 |
oct | 1366300025614 |
9 | 321651820457 |
10 | 101787380620 |
11 | 3a193360672 |
12 | 1788847a1a4 |
13 | 97a1c01903 |
14 | 4cd85b0672 |
15 | 29ab0edd4a |
hex | 17b3002b8c |
101787380620 has 48 divisors (see below), whose sum is σ = 216047905920. Its totient is φ = 40279078656.
The previous prime is 101787380579. The next prime is 101787380623. The reversal of 101787380620 is 26083787101.
101787380620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (101787380623) 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, 1387789 + ... + 1459291.
It is an arithmetic number, because the mean of its divisors is an integer number (4500998040).
Almost surely, 2101787380620 is an apocalyptic number.
101787380620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
101787380620 is an abundant number, since it is smaller than the sum of its proper divisors (114260525300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101787380620 is a wasteful number, since it uses less digits than its factorization.
101787380620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72274 (or 72272 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 43.
The spelling of 101787380620 in words is "one hundred one billion, seven hundred eighty-seven million, three hundred eighty thousand, six hundred twenty".
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