Base | Representation |
---|---|
bin | 111100110110111… |
… | …1111100100101111 |
3 | 12021022120102120220 |
4 | 1321231333210233 |
5 | 13140234200030 |
6 | 534345142423 |
7 | 101414364234 |
oct | 17155774457 |
9 | 5238512526 |
10 | 2042100015 |
11 | 958791a6a |
12 | 48ba8aa13 |
13 | 2670c7a07 |
14 | 1552d778b |
15 | be42ba10 |
hex | 79b7f92f |
2042100015 has 16 divisors (see below), whose sum is σ = 3268485600. Its totient is φ = 1088744832.
The previous prime is 2042100007. The next prime is 2042100089. The reversal of 2042100015 is 5100012402.
It is not a de Polignac number, because 2042100015 - 23 = 2042100007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 2042099967 and 2042100003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24741 + ... + 68529.
It is an arithmetic number, because the mean of its divisors is an integer number (204280350).
Almost surely, 22042100015 is an apocalyptic number.
2042100015 is a deficient number, since it is larger than the sum of its proper divisors (1226385585).
2042100015 is a wasteful number, since it uses less digits than its factorization.
2042100015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46906.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 2042100015 is about 45189.6007395507. The cubic root of 2042100015 is about 1268.7001839581.
Adding to 2042100015 its reverse (5100012402), we get a palindrome (7142112417).
The spelling of 2042100015 in words is "two billion, forty-two million, one hundred thousand, fifteen".
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