Base | Representation |
---|---|
bin | 111111110010011… |
… | …1110101010110110 |
3 | 12112011112121020120 |
4 | 1333210332222312 |
5 | 13340420302220 |
6 | 552220112410 |
7 | 104020050066 |
oct | 17744765266 |
9 | 5464477216 |
10 | 2140400310 |
11 | 9a9222484 |
12 | 4b8995706 |
13 | 281594979 |
14 | 1643a53a6 |
15 | c7d97a40 |
hex | 7f93eab6 |
2140400310 has 16 divisors (see below), whose sum is σ = 5136960816. Its totient is φ = 570773408.
The previous prime is 2140400299. The next prime is 2140400357. The reversal of 2140400310 is 130040412.
It is a super-2 number, since 2×21404003102 = 9162626974096192200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2140400310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35673309 + ... + 35673368.
It is an arithmetic number, because the mean of its divisors is an integer number (321060051).
Almost surely, 22140400310 is an apocalyptic number.
2140400310 is an abundant number, since it is smaller than the sum of its proper divisors (2996560506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140400310 is a wasteful number, since it uses less digits than its factorization.
2140400310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71346687.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2140400310 is about 46264.4605501891. The cubic root of 2140400310 is about 1288.7390900216.
Adding to 2140400310 its reverse (130040412), we get a palindrome (2270440722).
The spelling of 2140400310 in words is "two billion, one hundred forty million, four hundred thousand, three hundred ten".
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