Base | Representation |
---|---|
bin | 10001101010001100000… |
… | …001111101000101010110 |
3 | 11022000022222222102000021 |
4 | 101222030001331011112 |
5 | 124340302201200204 |
6 | 2325253225335354 |
7 | 153450256440616 |
oct | 21521401750526 |
9 | 4260288872007 |
10 | 1213530100054 |
11 | 428723117568 |
12 | 17723493755a |
13 | 8a58775017c |
14 | 42a41442a46 |
15 | 2187794e154 |
hex | 11a8c07d156 |
1213530100054 has 32 divisors (see below), whose sum is σ = 1930356177120. Its totient is φ = 570554419968.
The previous prime is 1213530100021. The next prime is 1213530100067. The reversal of 1213530100054 is 4500010353121.
It is a happy number.
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, 55156984 + ... + 55178980.
It is an arithmetic number, because the mean of its divisors is an integer number (60323630535).
Almost surely, 21213530100054 is an apocalyptic number.
1213530100054 is a deficient number, since it is larger than the sum of its proper divisors (716826077066).
1213530100054 is a wasteful number, since it uses less digits than its factorization.
1213530100054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32752.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 1213530100054 its reverse (4500010353121), we get a palindrome (5713540453175).
The spelling of 1213530100054 in words is "one trillion, two hundred thirteen billion, five hundred thirty million, one hundred thousand, fifty-four".
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