Base | Representation |
---|---|
bin | 110001111001010000… |
… | …0001100110010110111 |
3 | 101020120022101021111101 |
4 | 1203302200030302313 |
5 | 3223414310224031 |
6 | 121120055550531 |
7 | 10512135532414 |
oct | 1436240146267 |
9 | 336508337441 |
10 | 107147742391 |
11 | 4149411a818 |
12 | 1892368b447 |
13 | a147603b01 |
14 | 528647910b |
15 | 2bc19d9361 |
hex | 18f280ccb7 |
107147742391 has 4 divisors (see below), whose sum is σ = 107148929400. Its totient is φ = 107146555384.
The previous prime is 107147742371. The next prime is 107147742407. The reversal of 107147742391 is 193247741701.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 107147742391 - 225 = 107114187959 is a prime.
It is a super-2 number, since 2×1071477423912 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107147742371) 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, 445861 + ... + 642718.
It is an arithmetic number, because the mean of its divisors is an integer number (26787232350).
Almost surely, 2107147742391 is an apocalyptic number.
107147742391 is a deficient number, since it is larger than the sum of its proper divisors (1187009).
107147742391 is an equidigital number, since it uses as much as digits as its factorization.
107147742391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1187008.
The product of its (nonzero) digits is 296352, while the sum is 46.
The spelling of 107147742391 in words is "one hundred seven billion, one hundred forty-seven million, seven hundred forty-two thousand, three hundred ninety-one".
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