Base | Representation |
---|---|
bin | 111001000100100… |
… | …0010001100011111 |
3 | 11221110100121020120 |
4 | 1302021002030133 |
5 | 12410213032121 |
6 | 514004250023 |
7 | 65311661400 |
oct | 16211021437 |
9 | 4843317216 |
10 | 1914970911 |
11 | 8a2a50a97 |
12 | 4553a0913 |
13 | 246975ba9 |
14 | 1424839a7 |
15 | b31b8bc6 |
hex | 7224231f |
1914970911 has 12 divisors (see below), whose sum is σ = 2970159192. Its totient is φ = 1094269008.
The previous prime is 1914970907. The next prime is 1914970913. The reversal of 1914970911 is 1190794191.
It is not a de Polignac number, because 1914970911 - 22 = 1914970907 is a prime.
It is a super-2 number, since 2×19149709112 = 7334227179952339842, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1914970913) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6513360 + ... + 6513653.
It is an arithmetic number, because the mean of its divisors is an integer number (247513266).
Almost surely, 21914970911 is an apocalyptic number.
1914970911 is a deficient number, since it is larger than the sum of its proper divisors (1055188281).
1914970911 is a wasteful number, since it uses less digits than its factorization.
1914970911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13027030 (or 13027023 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 42.
The square root of 1914970911 is about 43760.3806084911. The cubic root of 1914970911 is about 1241.8068765250.
The spelling of 1914970911 in words is "one billion, nine hundred fourteen million, nine hundred seventy thousand, nine hundred eleven".
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