Base | Representation |
---|---|
bin | 10011000101111111011… |
… | …011110011101000110110 |
3 | 11122102202201022121222021 |
4 | 103011333123303220312 |
5 | 132444141333133420 |
6 | 2442434413223354 |
7 | 163540064442250 |
oct | 23057733635066 |
9 | 4572681277867 |
10 | 1312103021110 |
11 | 466506a49082 |
12 | 192364791b5a |
13 | 969666bc8ab |
14 | 47712b42cd0 |
15 | 241e67457aa |
hex | 1317f6f3a36 |
1312103021110 has 32 divisors (see below), whose sum is σ = 2765017104192. Its totient is φ = 438891601920.
The previous prime is 1312103021107. The next prime is 1312103021137. The reversal of 1312103021110 is 111203012131.
It is a happy number.
It is a super-2 number, since 2×13121030211102 (a number of 25 digits) contains 22 as substring.
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, 228586507 + ... + 228592246.
It is an arithmetic number, because the mean of its divisors is an integer number (86406784506).
Almost surely, 21312103021110 is an apocalyptic number.
1312103021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312103021110 is an abundant number, since it is smaller than the sum of its proper divisors (1452914083082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312103021110 is a wasteful number, since it uses less digits than its factorization.
1312103021110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457178808.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 1312103021110 its reverse (111203012131), we get a palindrome (1423306033241).
The spelling of 1312103021110 in words is "one trillion, three hundred twelve billion, one hundred three million, twenty-one thousand, one hundred ten".
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