Base | Representation |
---|---|
bin | 1011101101000101001… |
… | …0001111100001001111 |
3 | 201020000120221221021220 |
4 | 2323101102033201033 |
5 | 11243302401402134 |
6 | 232212540054423 |
7 | 20345641245555 |
oct | 2732122174117 |
9 | 636016857256 |
10 | 201079715919 |
11 | 78306291805 |
12 | 32b79234413 |
13 | 15c66c1a334 |
14 | 9a3765dbd5 |
15 | 536d150149 |
hex | 2ed148f84f |
201079715919 has 24 divisors (see below), whose sum is σ = 277157056176. Its totient is φ = 129671164800.
The previous prime is 201079715899. The next prime is 201079715933. The reversal of 201079715919 is 919517970102.
It is a de Polignac number, because none of the positive numbers 2k-201079715919 is a prime.
It is a super-2 number, since 2×2010797159192 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201079715989) 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, 7023117 + ... + 7051689.
It is an arithmetic number, because the mean of its divisors is an integer number (11548210674).
Almost surely, 2201079715919 is an apocalyptic number.
201079715919 is a deficient number, since it is larger than the sum of its proper divisors (76077340257).
201079715919 is a wasteful number, since it uses less digits than its factorization.
201079715919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31079 (or 31048 counting only the distinct ones).
The product of its (nonzero) digits is 357210, while the sum is 51.
The spelling of 201079715919 in words is "two hundred one billion, seventy-nine million, seven hundred fifteen thousand, nine hundred nineteen".
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