Base | Representation |
---|---|
bin | 1001011010110011111110… |
… | …01001111001010010101011 |
3 | 2201100002111100012002012210 |
4 | 10231121333021321102223 |
5 | 10203323112143223312 |
6 | 112015101512340203 |
7 | 4235266130511345 |
oct | 455317711712253 |
9 | 81302440162183 |
10 | 20712465601707 |
11 | 666611a94a800 |
12 | 23a626a9a4663 |
13 | b7323c1b5659 |
14 | 5186bad40295 |
15 | 25dba34cee3c |
hex | 12d67f2794ab |
20712465601707 has 24 divisors (see below), whose sum is σ = 31402199218320. Its totient is φ = 12120147054400.
The previous prime is 20712465601699. The next prime is 20712465601717. The reversal of 20712465601707 is 70710656421702.
It is not a de Polignac number, because 20712465601707 - 23 = 20712465601699 is a prime.
It is a super-2 number, since 2×207124656017072 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20712465601717) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983767644 + ... + 983788697.
It is an arithmetic number, because the mean of its divisors is an integer number (1308424967430).
Almost surely, 220712465601707 is an apocalyptic number.
20712465601707 is a deficient number, since it is larger than the sum of its proper divisors (10689733616613).
20712465601707 is a wasteful number, since it uses less digits than its factorization.
20712465601707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1967556395 (or 1967556384 counting only the distinct ones).
The product of its (nonzero) digits is 987840, while the sum is 48.
The spelling of 20712465601707 in words is "twenty trillion, seven hundred twelve billion, four hundred sixty-five million, six hundred one thousand, seven hundred seven".
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