Base | Representation |
---|---|
bin | 10101011100111100… |
… | …001100110101001001 |
3 | 2012110021202121112210 |
4 | 111130330030311021 |
5 | 334133213342140 |
6 | 14325353055333 |
7 | 1443543542211 |
oct | 253474146511 |
9 | 65407677483 |
10 | 23034121545 |
11 | 9850185496 |
12 | 456a0b7549 |
13 | 2231178126 |
14 | 1187251241 |
15 | 8ec2eed80 |
hex | 55cf0cd49 |
23034121545 has 16 divisors (see below), whose sum is σ = 37047555072. Its totient is φ = 12220544640.
The previous prime is 23034121543. The next prime is 23034121573. The reversal of 23034121545 is 54512143032.
It is not a de Polignac number, because 23034121545 - 21 = 23034121543 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23034121543) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017052 + ... + 4022781.
It is an arithmetic number, because the mean of its divisors is an integer number (2315472192).
Almost surely, 223034121545 is an apocalyptic number.
It is an amenable number.
23034121545 is a deficient number, since it is larger than the sum of its proper divisors (14013433527).
23034121545 is a wasteful number, since it uses less digits than its factorization.
23034121545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8040032.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 23034121545 its reverse (54512143032), we get a palindrome (77546264577).
The spelling of 23034121545 in words is "twenty-three billion, thirty-four million, one hundred twenty-one thousand, five hundred forty-five".
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