Base | Representation |
---|---|
bin | 1000010001110001110… |
… | …0011101111011101110 |
3 | 111121001221100201002021 |
4 | 2010130130131323232 |
5 | 4312222023123304 |
6 | 145155250220354 |
7 | 13163060535340 |
oct | 2043434357356 |
9 | 447057321067 |
10 | 142211145454 |
11 | 55347536484 |
12 | 2368a2846ba |
13 | 105449c66a1 |
14 | 6c5116b290 |
15 | 3a74de0a54 |
hex | 211c71deee |
142211145454 has 8 divisors (see below), whose sum is σ = 243790535088. Its totient is φ = 60947633760.
The previous prime is 142211145431. The next prime is 142211145481. The reversal of 142211145454 is 454541112241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1422111454542 (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 5078969467 + ... + 5078969494.
It is an arithmetic number, because the mean of its divisors is an integer number (30473816886).
Almost surely, 2142211145454 is an apocalyptic number.
142211145454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
142211145454 is a deficient number, since it is larger than the sum of its proper divisors (101579389634).
142211145454 is a wasteful number, since it uses less digits than its factorization.
142211145454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10157938970.
The product of its digits is 25600, while the sum is 34.
Adding to 142211145454 its reverse (454541112241), we get a palindrome (596752257695).
The spelling of 142211145454 in words is "one hundred forty-two billion, two hundred eleven million, one hundred forty-five thousand, four hundred fifty-four".
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