Base | Representation |
---|---|
bin | 10101001011101101001… |
… | …110110010010101111001 |
3 | 12011011100202220012100210 |
4 | 111023231032302111321 |
5 | 142322212312204312 |
6 | 3032421341221333 |
7 | 210112040351412 |
oct | 25135516622571 |
9 | 5134322805323 |
10 | 1455679022457 |
11 | 511393949a30 |
12 | 1b6153b61849 |
13 | a73680ab4ca |
14 | 50653274809 |
15 | 27ceb387e3c |
hex | 152ed3b2579 |
1455679022457 has 16 divisors (see below), whose sum is σ = 2117374914240. Its totient is φ = 882219873600.
The previous prime is 1455679022437. The next prime is 1455679022461. The reversal of 1455679022457 is 7542209765541.
It is a happy number.
It is not a de Polignac number, because 1455679022457 - 26 = 1455679022393 is a prime.
It is a super-2 number, since 2×14556790224572 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1455679022397 and 1455679022406.
It is not an unprimeable number, because it can be changed into a prime (1455679022437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706707 + ... + 4080567.
It is an arithmetic number, because the mean of its divisors is an integer number (132335932140).
Almost surely, 21455679022457 is an apocalyptic number.
It is an amenable number.
1455679022457 is a deficient number, since it is larger than the sum of its proper divisors (661695891783).
1455679022457 is a wasteful number, since it uses less digits than its factorization.
1455679022457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 491864.
The product of its (nonzero) digits is 21168000, while the sum is 57.
The spelling of 1455679022457 in words is "one trillion, four hundred fifty-five billion, six hundred seventy-nine million, twenty-two thousand, four hundred fifty-seven".
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