Base | Representation |
---|---|
bin | 10001111001110110110… |
… | …110000010000101010101 |
3 | 11100121202112002121201210 |
4 | 101321312312002011111 |
5 | 130124231224204303 |
6 | 2341114515212033 |
7 | 154614221613030 |
oct | 21716666020525 |
9 | 4317675077653 |
10 | 1230354522453 |
11 | 434877064091 |
12 | 17a54b2a7019 |
13 | 8c03925a5b4 |
14 | 43799a9a017 |
15 | 2200e9e3203 |
hex | 11e76d82155 |
1230354522453 has 32 divisors (see below), whose sum is σ = 1980311314432. Its totient is φ = 664557566400.
The previous prime is 1230354522451. The next prime is 1230354522461. The reversal of 1230354522453 is 3542254530321.
It is not a de Polignac number, because 1230354522453 - 21 = 1230354522451 is a prime.
It is a super-2 number, since 2×12303545224532 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230354522451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21948118 + ... + 22004103.
It is an arithmetic number, because the mean of its divisors is an integer number (61884728576).
Almost surely, 21230354522453 is an apocalyptic number.
It is an amenable number.
1230354522453 is a deficient number, since it is larger than the sum of its proper divisors (749956791979).
1230354522453 is a wasteful number, since it uses less digits than its factorization.
1230354522453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43952305.
The product of its (nonzero) digits is 432000, while the sum is 39.
The spelling of 1230354522453 in words is "one trillion, two hundred thirty billion, three hundred fifty-four million, five hundred twenty-two thousand, four hundred fifty-three".
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