Base | Representation |
---|---|
bin | 10010101110001000… |
… | …101010100110100001 |
3 | 1220212220021201112212 |
4 | 102232020222212201 |
5 | 312131423021132 |
6 | 13122350131505 |
7 | 1311062610653 |
oct | 225610524641 |
9 | 56786251485 |
10 | 20101376417 |
11 | 8585780691 |
12 | 3a8bab0b95 |
13 | 1b846b0a95 |
14 | d899546d3 |
15 | 7c9ae35b2 |
hex | 4ae22a9a1 |
20101376417 has 4 divisors (see below), whose sum is σ = 20289239856. Its totient is φ = 19913512980.
The previous prime is 20101376387. The next prime is 20101376443. The reversal of 20101376417 is 71467310102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20101376417 - 28 = 20101376161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20101376017) 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, 93931559 + ... + 93931772.
It is an arithmetic number, because the mean of its divisors is an integer number (5072309964).
Almost surely, 220101376417 is an apocalyptic number.
It is an amenable number.
20101376417 is a deficient number, since it is larger than the sum of its proper divisors (187863439).
20101376417 is a wasteful number, since it uses less digits than its factorization.
20101376417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187863438.
The product of its (nonzero) digits is 7056, while the sum is 32.
Adding to 20101376417 its reverse (71467310102), we get a palindrome (91568686519).
The spelling of 20101376417 in words is "twenty billion, one hundred one million, three hundred seventy-six thousand, four hundred seventeen".
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