Base | Representation |
---|---|
bin | 11101111110111001101… |
… | …01111100010110101111 |
3 | 10122111010120101211220022 |
4 | 32333130311330112233 |
5 | 113334323242441421 |
6 | 2105133550512355 |
7 | 134300242112060 |
oct | 16773465742657 |
9 | 3574116354808 |
10 | 1030202312111 |
11 | 3679a7391015 |
12 | 1477b08056bb |
13 | 761bc54743b |
14 | 37c0d6b6567 |
15 | 1bbe80047ab |
hex | efdcd7c5af |
1030202312111 has 16 divisors (see below), whose sum is σ = 1218504897600. Its totient is φ = 852209019648.
The previous prime is 1030202312107. The next prime is 1030202312147. The reversal of 1030202312111 is 1112132020301.
It is not a de Polignac number, because 1030202312111 - 22 = 1030202312107 is a prime.
It is a super-2 number, since 2×10302023121112 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1030202312111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030202312311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641126 + ... + 1572083.
It is an arithmetic number, because the mean of its divisors is an integer number (76156556100).
Almost surely, 21030202312111 is an apocalyptic number.
1030202312111 is a deficient number, since it is larger than the sum of its proper divisors (188302585489).
1030202312111 is a wasteful number, since it uses less digits than its factorization.
1030202312111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2215538.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1030202312111 its reverse (1112132020301), we get a palindrome (2142334332412).
The spelling of 1030202312111 in words is "one trillion, thirty billion, two hundred two million, three hundred twelve thousand, one hundred eleven".
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