Base | Representation |
---|---|
bin | 10001101001101110010… |
… | …001110111001110110000 |
3 | 11021222001012202011012211 |
4 | 101221232101313032300 |
5 | 124333241411011104 |
6 | 2325131515101504 |
7 | 153432015661210 |
oct | 21515621671660 |
9 | 4258035664184 |
10 | 1213030953904 |
11 | 428497393690 |
12 | 177115741894 |
13 | 8a508206913 |
14 | 429d5030240 |
15 | 21848c03e04 |
hex | 11a6e4773b0 |
1213030953904 has 320 divisors, whose sum is σ = 3156895088640. Its totient is φ = 437253949440.
The previous prime is 1213030953887. The next prime is 1213030953931. The reversal of 1213030953904 is 4093590303121.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 678807699 + ... + 678809485.
It is an arithmetic number, because the mean of its divisors is an integer number (9865297152).
Almost surely, 21213030953904 is an apocalyptic number.
1213030953904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1213030953904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578447544320).
1213030953904 is an abundant number, since it is smaller than the sum of its proper divisors (1943864134736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213030953904 is a wasteful number, since it uses less digits than its factorization.
1213030953904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496 (or 2490 counting only the distinct ones).
The product of its (nonzero) digits is 87480, while the sum is 40.
The spelling of 1213030953904 in words is "one trillion, two hundred thirteen billion, thirty million, nine hundred fifty-three thousand, nine hundred four".
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